Home / 15,143.23-22,714.86-5,280.13

Finding the Fourth Proportional to 15,143.23, 22,714.86 and 5,280.13

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Solution

The fourth proportional to 15,143.23, 22,714.86 and 5,280.13 is: 7,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.23 : 22,714.86 = 5,280.13 : x
  2. Step 2: Convert to fraction form
    15,143.23/22,714.86 = 5,280.13/x
  3. Step 3: Cross multiply
    15,143.23x = 22,714.86 × 5,280.13
  4. Step 4: Simplify right side
    15,143.23x = 119,937,413.73
  5. Step 5: Solve for x
    x = 119,937,413.73/15,143.23
  6. Step 6: Final answer
    x = 7,920.20

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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.