Home / 18,742.28-28,118.30-5,594.66

Finding the Fourth Proportional to 18,742.28, 28,118.30 and 5,594.66

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Solution

The fourth proportional to 18,742.28, 28,118.30 and 5,594.66 is: 8,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.28 : 28,118.30 = 5,594.66 : x
  2. Step 2: Convert to fraction form
    18,742.28/28,118.30 = 5,594.66/x
  3. Step 3: Cross multiply
    18,742.28x = 28,118.30 × 5,594.66
  4. Step 4: Simplify right side
    18,742.28x = 157,312,159.71
  5. Step 5: Solve for x
    x = 157,312,159.71/18,742.28
  6. Step 6: Final answer
    x = 8,393.44

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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.