Home / 11,397.38-15,728.99-6,683.18

Finding the Fourth Proportional to 11,397.38, 15,728.99 and 6,683.18

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Solution

The fourth proportional to 11,397.38, 15,728.99 and 6,683.18 is: 9,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.38 : 15,728.99 = 6,683.18 : x
  2. Step 2: Convert to fraction form
    11,397.38/15,728.99 = 6,683.18/x
  3. Step 3: Cross multiply
    11,397.38x = 15,728.99 × 6,683.18
  4. Step 4: Simplify right side
    11,397.38x = 105,119,671.39
  5. Step 5: Solve for x
    x = 105,119,671.39/11,397.38
  6. Step 6: Final answer
    x = 9,223.14

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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.