Home / 14,990.62-20,695.34-9,023.76

Finding the Fourth Proportional to 14,990.62, 20,695.34 and 9,023.76

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Solution

The fourth proportional to 14,990.62, 20,695.34 and 9,023.76 is: 12,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.62 : 20,695.34 = 9,023.76 : x
  2. Step 2: Convert to fraction form
    14,990.62/20,695.34 = 9,023.76/x
  3. Step 3: Cross multiply
    14,990.62x = 20,695.34 × 9,023.76
  4. Step 4: Simplify right side
    14,990.62x = 186,749,781.28
  5. Step 5: Solve for x
    x = 186,749,781.28/14,990.62
  6. Step 6: Final answer
    x = 12,457.78

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1.5x scale

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.