Home / 17,988.72-24,840.10-11,285.87

Finding the Fourth Proportional to 17,988.72, 24,840.10 and 11,285.87

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Solution

The fourth proportional to 17,988.72, 24,840.10 and 11,285.87 is: 15,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.72 : 24,840.10 = 11,285.87 : x
  2. Step 2: Convert to fraction form
    17,988.72/24,840.10 = 11,285.87/x
  3. Step 3: Cross multiply
    17,988.72x = 24,840.10 × 11,285.87
  4. Step 4: Simplify right side
    17,988.72x = 280,342,139.39
  5. Step 5: Solve for x
    x = 280,342,139.39/17,988.72
  6. Step 6: Final answer
    x = 15,584.33

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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.