Home / 12,088.32-18,121.95-9,744.18

Finding the Fourth Proportional to 12,088.32, 18,121.95 and 9,744.18

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Solution

The fourth proportional to 12,088.32, 18,121.95 and 9,744.18 is: 14,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.32 : 18,121.95 = 9,744.18 : x
  2. Step 2: Convert to fraction form
    12,088.32/18,121.95 = 9,744.18/x
  3. Step 3: Cross multiply
    12,088.32x = 18,121.95 × 9,744.18
  4. Step 4: Simplify right side
    12,088.32x = 176,583,542.75
  5. Step 5: Solve for x
    x = 176,583,542.75/12,088.32
  6. Step 6: Final answer
    x = 14,607.78

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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.