Home / 17,781.29-24,538.26-9,715.07

Finding the Fourth Proportional to 17,781.29, 24,538.26 and 9,715.07

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Solution

The fourth proportional to 17,781.29, 24,538.26 and 9,715.07 is: 13,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.29 : 24,538.26 = 9,715.07 : x
  2. Step 2: Convert to fraction form
    17,781.29/24,538.26 = 9,715.07/x
  3. Step 3: Cross multiply
    17,781.29x = 24,538.26 × 9,715.07
  4. Step 4: Simplify right side
    17,781.29x = 238,390,790.89
  5. Step 5: Solve for x
    x = 238,390,790.89/17,781.29
  6. Step 6: Final answer
    x = 13,406.84

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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.