Home / 18,742.56-28,118.55-5,594.88

Finding the Fourth Proportional to 18,742.56, 28,118.55 and 5,594.88

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Solution

The fourth proportional to 18,742.56, 28,118.55 and 5,594.88 is: 8,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.56 : 28,118.55 = 5,594.88 : x
  2. Step 2: Convert to fraction form
    18,742.56/28,118.55 = 5,594.88/x
  3. Step 3: Cross multiply
    18,742.56x = 28,118.55 × 5,594.88
  4. Step 4: Simplify right side
    18,742.56x = 157,319,913.02
  5. Step 5: Solve for x
    x = 157,319,913.02/18,742.56
  6. Step 6: Final answer
    x = 8,393.73

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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.