Home / 10,572.95-15,853.28-3,999.65

Finding the Fourth Proportional to 10,572.95, 15,853.28 and 3,999.65

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Solution

The fourth proportional to 10,572.95, 15,853.28 and 3,999.65 is: 5,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.95 : 15,853.28 = 3,999.65 : x
  2. Step 2: Convert to fraction form
    10,572.95/15,853.28 = 3,999.65/x
  3. Step 3: Cross multiply
    10,572.95x = 15,853.28 × 3,999.65
  4. Step 4: Simplify right side
    10,572.95x = 63,407,551.35
  5. Step 5: Solve for x
    x = 63,407,551.35/10,572.95
  6. Step 6: Final answer
    x = 5,997.15

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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.