Home / 10,432.98-15,622.13-7,152.48

Finding the Fourth Proportional to 10,432.98, 15,622.13 and 7,152.48

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Solution

The fourth proportional to 10,432.98, 15,622.13 and 7,152.48 is: 10,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.98 : 15,622.13 = 7,152.48 : x
  2. Step 2: Convert to fraction form
    10,432.98/15,622.13 = 7,152.48/x
  3. Step 3: Cross multiply
    10,432.98x = 15,622.13 × 7,152.48
  4. Step 4: Simplify right side
    10,432.98x = 111,736,936.62
  5. Step 5: Solve for x
    x = 111,736,936.62/10,432.98
  6. Step 6: Final answer
    x = 10,709.97

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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.