Home / 10,013.03-15,019.89-3,439.16

Finding the Fourth Proportional to 10,013.03, 15,019.89 and 3,439.16

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Solution

The fourth proportional to 10,013.03, 15,019.89 and 3,439.16 is: 5,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.03 : 15,019.89 = 3,439.16 : x
  2. Step 2: Convert to fraction form
    10,013.03/15,019.89 = 3,439.16/x
  3. Step 3: Cross multiply
    10,013.03x = 15,019.89 × 3,439.16
  4. Step 4: Simplify right side
    10,013.03x = 51,655,787.70
  5. Step 5: Solve for x
    x = 51,655,787.70/10,013.03
  6. Step 6: Final answer
    x = 5,158.86

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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.