Home / 15,875.62-23,816.57-5,345.21

Finding the Fourth Proportional to 15,875.62, 23,816.57 and 5,345.21

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Solution

The fourth proportional to 15,875.62, 23,816.57 and 5,345.21 is: 8,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.62 : 23,816.57 = 5,345.21 : x
  2. Step 2: Convert to fraction form
    15,875.62/23,816.57 = 5,345.21/x
  3. Step 3: Cross multiply
    15,875.62x = 23,816.57 × 5,345.21
  4. Step 4: Simplify right side
    15,875.62x = 127,304,600.95
  5. Step 5: Solve for x
    x = 127,304,600.95/15,875.62
  6. Step 6: Final answer
    x = 8,018.88

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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.