Home / 9,990.08-14,987.28-4,995.16

Finding the Fourth Proportional to 9,990.08, 14,987.28 and 4,995.16

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Solution

The fourth proportional to 9,990.08, 14,987.28 and 4,995.16 is: 7,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.08 : 14,987.28 = 4,995.16 : x
  2. Step 2: Convert to fraction form
    9,990.08/14,987.28 = 4,995.16/x
  3. Step 3: Cross multiply
    9,990.08x = 14,987.28 × 4,995.16
  4. Step 4: Simplify right side
    9,990.08x = 74,863,861.56
  5. Step 5: Solve for x
    x = 74,863,861.56/9,990.08
  6. Step 6: Final answer
    x = 7,493.82

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Similar ratio
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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.