Home / 10,412.85-15,618.25-5,731.32

Finding the Fourth Proportional to 10,412.85, 15,618.25 and 5,731.32

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Solution

The fourth proportional to 10,412.85, 15,618.25 and 5,731.32 is: 8,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.85 : 15,618.25 = 5,731.32 : x
  2. Step 2: Convert to fraction form
    10,412.85/15,618.25 = 5,731.32/x
  3. Step 3: Cross multiply
    10,412.85x = 15,618.25 × 5,731.32
  4. Step 4: Simplify right side
    10,412.85x = 89,513,188.59
  5. Step 5: Solve for x
    x = 89,513,188.59/10,412.85
  6. Step 6: Final answer
    x = 8,596.42

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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.