Home / 20,184.74-30,277.19-5,393.70

Finding the Fourth Proportional to 20,184.74, 30,277.19 and 5,393.70

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Solution

The fourth proportional to 20,184.74, 30,277.19 and 5,393.70 is: 8,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.74 : 30,277.19 = 5,393.70 : x
  2. Step 2: Convert to fraction form
    20,184.74/30,277.19 = 5,393.70/x
  3. Step 3: Cross multiply
    20,184.74x = 30,277.19 × 5,393.70
  4. Step 4: Simplify right side
    20,184.74x = 163,306,079.70
  5. Step 5: Solve for x
    x = 163,306,079.70/20,184.74
  6. Step 6: Final answer
    x = 8,090.57

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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.