Home / 20,366.24-30,528.04-8,526.80

Finding the Fourth Proportional to 20,366.24, 30,528.04 and 8,526.80

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Solution

The fourth proportional to 20,366.24, 30,528.04 and 8,526.80 is: 12,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.24 : 30,528.04 = 8,526.80 : x
  2. Step 2: Convert to fraction form
    20,366.24/30,528.04 = 8,526.80/x
  3. Step 3: Cross multiply
    20,366.24x = 30,528.04 × 8,526.80
  4. Step 4: Simplify right side
    20,366.24x = 260,306,491.47
  5. Step 5: Solve for x
    x = 260,306,491.47/20,366.24
  6. Step 6: Final answer
    x = 12,781.27

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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.