Home / 10,074.32-15,071.16-8,965.84

Finding the Fourth Proportional to 10,074.32, 15,071.16 and 8,965.84

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Solution

The fourth proportional to 10,074.32, 15,071.16 and 8,965.84 is: 13,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.32 : 15,071.16 = 8,965.84 : x
  2. Step 2: Convert to fraction form
    10,074.32/15,071.16 = 8,965.84/x
  3. Step 3: Cross multiply
    10,074.32x = 15,071.16 × 8,965.84
  4. Step 4: Simplify right side
    10,074.32x = 135,125,609.17
  5. Step 5: Solve for x
    x = 135,125,609.17/10,074.32
  6. Step 6: Final answer
    x = 13,412.88

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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.