Home / 15,280.74-21,089.17-8,568.18

Finding the Fourth Proportional to 15,280.74, 21,089.17 and 8,568.18

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Solution

The fourth proportional to 15,280.74, 21,089.17 and 8,568.18 is: 11,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.74 : 21,089.17 = 8,568.18 : x
  2. Step 2: Convert to fraction form
    15,280.74/21,089.17 = 8,568.18/x
  3. Step 3: Cross multiply
    15,280.74x = 21,089.17 × 8,568.18
  4. Step 4: Simplify right side
    15,280.74x = 180,695,804.61
  5. Step 5: Solve for x
    x = 180,695,804.61/15,280.74
  6. Step 6: Final answer
    x = 11,825.07

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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.