Home / 12,417.28-17,134.68-10,065.04

Finding the Fourth Proportional to 12,417.28, 17,134.68 and 10,065.04

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Solution

The fourth proportional to 12,417.28, 17,134.68 and 10,065.04 is: 13,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.28 : 17,134.68 = 10,065.04 : x
  2. Step 2: Convert to fraction form
    12,417.28/17,134.68 = 10,065.04/x
  3. Step 3: Cross multiply
    12,417.28x = 17,134.68 × 10,065.04
  4. Step 4: Simplify right side
    12,417.28x = 172,461,239.59
  5. Step 5: Solve for x
    x = 172,461,239.59/12,417.28
  6. Step 6: Final answer
    x = 13,888.81

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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.