Home / 18,891.28-28,337.46-11,094.76

Finding the Fourth Proportional to 18,891.28, 28,337.46 and 11,094.76

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Solution

The fourth proportional to 18,891.28, 28,337.46 and 11,094.76 is: 16,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.28 : 28,337.46 = 11,094.76 : x
  2. Step 2: Convert to fraction form
    18,891.28/28,337.46 = 11,094.76/x
  3. Step 3: Cross multiply
    18,891.28x = 28,337.46 × 11,094.76
  4. Step 4: Simplify right side
    18,891.28x = 314,397,317.71
  5. Step 5: Solve for x
    x = 314,397,317.71/18,891.28
  6. Step 6: Final answer
    x = 16,642.46

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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.