Home / 17,781.64-24,541.68-13,525.88

Finding the Fourth Proportional to 17,781.64, 24,541.68 and 13,525.88

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Solution

The fourth proportional to 17,781.64, 24,541.68 and 13,525.88 is: 18,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.64 : 24,541.68 = 13,525.88 : x
  2. Step 2: Convert to fraction form
    17,781.64/24,541.68 = 13,525.88/x
  3. Step 3: Cross multiply
    17,781.64x = 24,541.68 × 13,525.88
  4. Step 4: Simplify right side
    17,781.64x = 331,947,818.68
  5. Step 5: Solve for x
    x = 331,947,818.68/17,781.64
  6. Step 6: Final answer
    x = 18,668.01

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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.