Home / 25,917.47-38,869.01-11,123.10

Finding the Fourth Proportional to 25,917.47, 38,869.01 and 11,123.10

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Solution

The fourth proportional to 25,917.47, 38,869.01 and 11,123.10 is: 16,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.47 : 38,869.01 = 11,123.10 : x
  2. Step 2: Convert to fraction form
    25,917.47/38,869.01 = 11,123.10/x
  3. Step 3: Cross multiply
    25,917.47x = 38,869.01 × 11,123.10
  4. Step 4: Simplify right side
    25,917.47x = 432,343,690.79
  5. Step 5: Solve for x
    x = 432,343,690.79/25,917.47
  6. Step 6: Final answer
    x = 16,681.56

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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.