Home / 14,275.47-19,700.31-8,609.13

Finding the Fourth Proportional to 14,275.47, 19,700.31 and 8,609.13

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Solution

The fourth proportional to 14,275.47, 19,700.31 and 8,609.13 is: 11,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.47 : 19,700.31 = 8,609.13 : x
  2. Step 2: Convert to fraction form
    14,275.47/19,700.31 = 8,609.13/x
  3. Step 3: Cross multiply
    14,275.47x = 19,700.31 × 8,609.13
  4. Step 4: Simplify right side
    14,275.47x = 169,602,529.83
  5. Step 5: Solve for x
    x = 169,602,529.83/14,275.47
  6. Step 6: Final answer
    x = 11,880.70

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.