Home / 14,909.40-22,364.10-10,972.80

Finding the Fourth Proportional to 14,909.40, 22,364.10 and 10,972.80

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Solution

The fourth proportional to 14,909.40, 22,364.10 and 10,972.80 is: 16,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.40 : 22,364.10 = 10,972.80 : x
  2. Step 2: Convert to fraction form
    14,909.40/22,364.10 = 10,972.80/x
  3. Step 3: Cross multiply
    14,909.40x = 22,364.10 × 10,972.80
  4. Step 4: Simplify right side
    14,909.40x = 245,396,796.48
  5. Step 5: Solve for x
    x = 245,396,796.48/14,909.40
  6. Step 6: Final answer
    x = 16,459.20

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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.