Home / 12,685.32-17,522.48-9,737.58

Finding the Fourth Proportional to 12,685.32, 17,522.48 and 9,737.58

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Solution

The fourth proportional to 12,685.32, 17,522.48 and 9,737.58 is: 13,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685.32 : 17,522.48 = 9,737.58 : x
  2. Step 2: Convert to fraction form
    12,685.32/17,522.48 = 9,737.58/x
  3. Step 3: Cross multiply
    12,685.32x = 17,522.48 × 9,737.58
  4. Step 4: Simplify right side
    12,685.32x = 170,626,550.80
  5. Step 5: Solve for x
    x = 170,626,550.80/12,685.32
  6. Step 6: Final answer
    x = 13,450.71

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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.