Home / 15,445.90-23,136.45-8,512.30

Finding the Fourth Proportional to 15,445.90, 23,136.45 and 8,512.30

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Solution

The fourth proportional to 15,445.90, 23,136.45 and 8,512.30 is: 12,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.90 : 23,136.45 = 8,512.30 : x
  2. Step 2: Convert to fraction form
    15,445.90/23,136.45 = 8,512.30/x
  3. Step 3: Cross multiply
    15,445.90x = 23,136.45 × 8,512.30
  4. Step 4: Simplify right side
    15,445.90x = 196,944,403.34
  5. Step 5: Solve for x
    x = 196,944,403.34/15,445.90
  6. Step 6: Final answer
    x = 12,750.59

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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.