Home / 10,253.18-14,151.19-9,785.71

Finding the Fourth Proportional to 10,253.18, 14,151.19 and 9,785.71

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Solution

The fourth proportional to 10,253.18, 14,151.19 and 9,785.71 is: 13,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.18 : 14,151.19 = 9,785.71 : x
  2. Step 2: Convert to fraction form
    10,253.18/14,151.19 = 9,785.71/x
  3. Step 3: Cross multiply
    10,253.18x = 14,151.19 × 9,785.71
  4. Step 4: Simplify right side
    10,253.18x = 138,479,370.74
  5. Step 5: Solve for x
    x = 138,479,370.74/10,253.18
  6. Step 6: Final answer
    x = 13,506.00

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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.