Home / 12,374.40-18,545.32-10,724.16

Finding the Fourth Proportional to 12,374.40, 18,545.32 and 10,724.16

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Solution

The fourth proportional to 12,374.40, 18,545.32 and 10,724.16 is: 16,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.40 : 18,545.32 = 10,724.16 : x
  2. Step 2: Convert to fraction form
    12,374.40/18,545.32 = 10,724.16/x
  3. Step 3: Cross multiply
    12,374.40x = 18,545.32 × 10,724.16
  4. Step 4: Simplify right side
    12,374.40x = 198,882,978.93
  5. Step 5: Solve for x
    x = 198,882,978.93/12,374.40
  6. Step 6: Final answer
    x = 16,072.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.