Home / 14,909.66-22,309.65-8,990.18

Finding the Fourth Proportional to 14,909.66, 22,309.65 and 8,990.18

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Solution

The fourth proportional to 14,909.66, 22,309.65 and 8,990.18 is: 13,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.66 : 22,309.65 = 8,990.18 : x
  2. Step 2: Convert to fraction form
    14,909.66/22,309.65 = 8,990.18/x
  3. Step 3: Cross multiply
    14,909.66x = 22,309.65 × 8,990.18
  4. Step 4: Simplify right side
    14,909.66x = 200,567,825.01
  5. Step 5: Solve for x
    x = 200,567,825.01/14,909.66
  6. Step 6: Final answer
    x = 13,452.20

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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.