Home / 15,397.26-21,248.31-8,683.02

Finding the Fourth Proportional to 15,397.26, 21,248.31 and 8,683.02

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Solution

The fourth proportional to 15,397.26, 21,248.31 and 8,683.02 is: 11,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.26 : 21,248.31 = 8,683.02 : x
  2. Step 2: Convert to fraction form
    15,397.26/21,248.31 = 8,683.02/x
  3. Step 3: Cross multiply
    15,397.26x = 21,248.31 × 8,683.02
  4. Step 4: Simplify right side
    15,397.26x = 184,499,500.70
  5. Step 5: Solve for x
    x = 184,499,500.70/15,397.26
  6. Step 6: Final answer
    x = 11,982.62

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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.