Home / 15,638.48-23,457.76-3,951.60

Finding the Fourth Proportional to 15,638.48, 23,457.76 and 3,951.60

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Solution

The fourth proportional to 15,638.48, 23,457.76 and 3,951.60 is: 5,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.48 : 23,457.76 = 3,951.60 : x
  2. Step 2: Convert to fraction form
    15,638.48/23,457.76 = 3,951.60/x
  3. Step 3: Cross multiply
    15,638.48x = 23,457.76 × 3,951.60
  4. Step 4: Simplify right side
    15,638.48x = 92,695,684.42
  5. Step 5: Solve for x
    x = 92,695,684.42/15,638.48
  6. Step 6: Final answer
    x = 5,927.41

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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.