Home / 18,089.54-24,966.57-12,419.65

Finding the Fourth Proportional to 18,089.54, 24,966.57 and 12,419.65

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Solution

The fourth proportional to 18,089.54, 24,966.57 and 12,419.65 is: 17,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.54 : 24,966.57 = 12,419.65 : x
  2. Step 2: Convert to fraction form
    18,089.54/24,966.57 = 12,419.65/x
  3. Step 3: Cross multiply
    18,089.54x = 24,966.57 × 12,419.65
  4. Step 4: Simplify right side
    18,089.54x = 310,076,061.10
  5. Step 5: Solve for x
    x = 310,076,061.10/18,089.54
  6. Step 6: Final answer
    x = 17,141.18

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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.