Home / 15,061.08-22,574.28-8,121

Finding the Fourth Proportional to 15,061.08, 22,574.28 and 8,121

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Solution

The fourth proportional to 15,061.08, 22,574.28 and 8,121 is: 12,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061.08 : 22,574.28 = 8,121 : x
  2. Step 2: Convert to fraction form
    15,061.08/22,574.28 = 8,121/x
  3. Step 3: Cross multiply
    15,061.08x = 22,574.28 × 8,121
  4. Step 4: Simplify right side
    15,061.08x = 183,325,727.88
  5. Step 5: Solve for x
    x = 183,325,727.88/15,061.08
  6. Step 6: Final answer
    x = 12,172.15

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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.