Home / 15,749.86-23,610.20-8,819.50

Finding the Fourth Proportional to 15,749.86, 23,610.20 and 8,819.50

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Solution

The fourth proportional to 15,749.86, 23,610.20 and 8,819.50 is: 13,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.86 : 23,610.20 = 8,819.50 : x
  2. Step 2: Convert to fraction form
    15,749.86/23,610.20 = 8,819.50/x
  3. Step 3: Cross multiply
    15,749.86x = 23,610.20 × 8,819.50
  4. Step 4: Simplify right side
    15,749.86x = 208,230,158.90
  5. Step 5: Solve for x
    x = 208,230,158.90/15,749.86
  6. Step 6: Final answer
    x = 13,221.08

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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.