Home / 15,191.28-22,756.68-12,076.56

Finding the Fourth Proportional to 15,191.28, 22,756.68 and 12,076.56

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Solution

The fourth proportional to 15,191.28, 22,756.68 and 12,076.56 is: 18,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.28 : 22,756.68 = 12,076.56 : x
  2. Step 2: Convert to fraction form
    15,191.28/22,756.68 = 12,076.56/x
  3. Step 3: Cross multiply
    15,191.28x = 22,756.68 × 12,076.56
  4. Step 4: Simplify right side
    15,191.28x = 274,822,411.42
  5. Step 5: Solve for x
    x = 274,822,411.42/15,191.28
  6. Step 6: Final answer
    x = 18,090.80

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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.