Home / 14,211.60-21,317.44-14,191.12

Finding the Fourth Proportional to 14,211.60, 21,317.44 and 14,191.12

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Solution

The fourth proportional to 14,211.60, 21,317.44 and 14,191.12 is: 21,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.60 : 21,317.44 = 14,191.12 : x
  2. Step 2: Convert to fraction form
    14,211.60/21,317.44 = 14,191.12/x
  3. Step 3: Cross multiply
    14,211.60x = 21,317.44 × 14,191.12
  4. Step 4: Simplify right side
    14,211.60x = 302,518,349.13
  5. Step 5: Solve for x
    x = 302,518,349.13/14,211.60
  6. Step 6: Final answer
    x = 21,286.72

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Double scale
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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.