Home / 9,747.80-14,621.70-5,586.20

Finding the Fourth Proportional to 9,747.80, 14,621.70 and 5,586.20

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Solution

The fourth proportional to 9,747.80, 14,621.70 and 5,586.20 is: 8,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.80 : 14,621.70 = 5,586.20 : x
  2. Step 2: Convert to fraction form
    9,747.80/14,621.70 = 5,586.20/x
  3. Step 3: Cross multiply
    9,747.80x = 14,621.70 × 5,586.20
  4. Step 4: Simplify right side
    9,747.80x = 81,679,740.54
  5. Step 5: Solve for x
    x = 81,679,740.54/9,747.80
  6. Step 6: Final answer
    x = 8,379.30

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Double scale
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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.