Home / 9,685.38-13,363.75-5,705.04

Finding the Fourth Proportional to 9,685.38, 13,363.75 and 5,705.04

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Solution

The fourth proportional to 9,685.38, 13,363.75 and 5,705.04 is: 7,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.38 : 13,363.75 = 5,705.04 : x
  2. Step 2: Convert to fraction form
    9,685.38/13,363.75 = 5,705.04/x
  3. Step 3: Cross multiply
    9,685.38x = 13,363.75 × 5,705.04
  4. Step 4: Simplify right side
    9,685.38x = 76,240,728.30
  5. Step 5: Solve for x
    x = 76,240,728.30/9,685.38
  6. Step 6: Final answer
    x = 7,871.73

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Half scale
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Double scale
Find fourth proportional to 9,686.38, 13,365.13 and 5,706.04
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.