Home / 18,743.28-28,119.80-5,595.66

Finding the Fourth Proportional to 18,743.28, 28,119.80 and 5,595.66

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Solution

The fourth proportional to 18,743.28, 28,119.80 and 5,595.66 is: 8,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.28 : 28,119.80 = 5,595.66 : x
  2. Step 2: Convert to fraction form
    18,743.28/28,119.80 = 5,595.66/x
  3. Step 3: Cross multiply
    18,743.28x = 28,119.80 × 5,595.66
  4. Step 4: Simplify right side
    18,743.28x = 157,348,840.07
  5. Step 5: Solve for x
    x = 157,348,840.07/18,743.28
  6. Step 6: Final answer
    x = 8,394.95

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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.