Home / 17,985.60-24,791.76-13,502.88

Finding the Fourth Proportional to 17,985.60, 24,791.76 and 13,502.88

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Solution

The fourth proportional to 17,985.60, 24,791.76 and 13,502.88 is: 18,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.60 : 24,791.76 = 13,502.88 : x
  2. Step 2: Convert to fraction form
    17,985.60/24,791.76 = 13,502.88/x
  3. Step 3: Cross multiply
    17,985.60x = 24,791.76 × 13,502.88
  4. Step 4: Simplify right side
    17,985.60x = 334,760,160.27
  5. Step 5: Solve for x
    x = 334,760,160.27/17,985.60
  6. Step 6: Final answer
    x = 18,612.68

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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.