Home / 15,452.08-21,314.24-9,160

Finding the Fourth Proportional to 15,452.08, 21,314.24 and 9,160

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Solution

The fourth proportional to 15,452.08, 21,314.24 and 9,160 is: 12,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.08 : 21,314.24 = 9,160 : x
  2. Step 2: Convert to fraction form
    15,452.08/21,314.24 = 9,160/x
  3. Step 3: Cross multiply
    15,452.08x = 21,314.24 × 9,160
  4. Step 4: Simplify right side
    15,452.08x = 195,238,438.40
  5. Step 5: Solve for x
    x = 195,238,438.40/15,452.08
  6. Step 6: Final answer
    x = 12,635.09

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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.