Home / 24,864.45-34,312.92-13,686.45

Finding the Fourth Proportional to 24,864.45, 34,312.92 and 13,686.45

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Solution

The fourth proportional to 24,864.45, 34,312.92 and 13,686.45 is: 18,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,864.45 : 34,312.92 = 13,686.45 : x
  2. Step 2: Convert to fraction form
    24,864.45/34,312.92 = 13,686.45/x
  3. Step 3: Cross multiply
    24,864.45x = 34,312.92 × 13,686.45
  4. Step 4: Simplify right side
    24,864.45x = 469,622,063.93
  5. Step 5: Solve for x
    x = 469,622,063.93/24,864.45
  6. Step 6: Final answer
    x = 18,887.29

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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.