Home / 15,342.38-23,013.85-4,812.16

Finding the Fourth Proportional to 15,342.38, 23,013.85 and 4,812.16

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Solution

The fourth proportional to 15,342.38, 23,013.85 and 4,812.16 is: 7,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.38 : 23,013.85 = 4,812.16 : x
  2. Step 2: Convert to fraction form
    15,342.38/23,013.85 = 4,812.16/x
  3. Step 3: Cross multiply
    15,342.38x = 23,013.85 × 4,812.16
  4. Step 4: Simplify right side
    15,342.38x = 110,746,304.36
  5. Step 5: Solve for x
    x = 110,746,304.36/15,342.38
  6. Step 6: Final answer
    x = 7,218.33

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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.