Home / 14,178.03-21,270.12-4,317.05

Finding the Fourth Proportional to 14,178.03, 21,270.12 and 4,317.05

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Solution

The fourth proportional to 14,178.03, 21,270.12 and 4,317.05 is: 6,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.03 : 21,270.12 = 4,317.05 : x
  2. Step 2: Convert to fraction form
    14,178.03/21,270.12 = 4,317.05/x
  3. Step 3: Cross multiply
    14,178.03x = 21,270.12 × 4,317.05
  4. Step 4: Simplify right side
    14,178.03x = 91,824,171.55
  5. Step 5: Solve for x
    x = 91,824,171.55/14,178.03
  6. Step 6: Final answer
    x = 6,476.51

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Half scale
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Double scale
Find fourth proportional to 14,179.03, 21,271.62 and 4,318.05
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.