Home / 9,665.20-14,497.80-5,777.20

Finding the Fourth Proportional to 9,665.20, 14,497.80 and 5,777.20

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Solution

The fourth proportional to 9,665.20, 14,497.80 and 5,777.20 is: 8,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665.20 : 14,497.80 = 5,777.20 : x
  2. Step 2: Convert to fraction form
    9,665.20/14,497.80 = 5,777.20/x
  3. Step 3: Cross multiply
    9,665.20x = 14,497.80 × 5,777.20
  4. Step 4: Simplify right side
    9,665.20x = 83,756,690.16
  5. Step 5: Solve for x
    x = 83,756,690.16/9,665.20
  6. Step 6: Final answer
    x = 8,665.80

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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.