Home / 14,178.39-21,271.05-4,317.14

Finding the Fourth Proportional to 14,178.39, 21,271.05 and 4,317.14

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Solution

The fourth proportional to 14,178.39, 21,271.05 and 4,317.14 is: 6,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.39 : 21,271.05 = 4,317.14 : x
  2. Step 2: Convert to fraction form
    14,178.39/21,271.05 = 4,317.14/x
  3. Step 3: Cross multiply
    14,178.39x = 21,271.05 × 4,317.14
  4. Step 4: Simplify right side
    14,178.39x = 91,829,994.44
  5. Step 5: Solve for x
    x = 91,829,994.44/14,178.39
  6. Step 6: Final answer
    x = 6,476.76

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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.