Home / 15,650.22-23,438.25-13,587.18

Finding the Fourth Proportional to 15,650.22, 23,438.25 and 13,587.18

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Solution

The fourth proportional to 15,650.22, 23,438.25 and 13,587.18 is: 20,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.22 : 23,438.25 = 13,587.18 : x
  2. Step 2: Convert to fraction form
    15,650.22/23,438.25 = 13,587.18/x
  3. Step 3: Cross multiply
    15,650.22x = 23,438.25 × 13,587.18
  4. Step 4: Simplify right side
    15,650.22x = 318,459,721.64
  5. Step 5: Solve for x
    x = 318,459,721.64/15,650.22
  6. Step 6: Final answer
    x = 20,348.58

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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.