Home / 18,912.17-28,373.27-5,764.66

Finding the Fourth Proportional to 18,912.17, 28,373.27 and 5,764.66

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Solution

The fourth proportional to 18,912.17, 28,373.27 and 5,764.66 is: 8,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.17 : 28,373.27 = 5,764.66 : x
  2. Step 2: Convert to fraction form
    18,912.17/28,373.27 = 5,764.66/x
  3. Step 3: Cross multiply
    18,912.17x = 28,373.27 × 5,764.66
  4. Step 4: Simplify right side
    18,912.17x = 163,562,254.64
  5. Step 5: Solve for x
    x = 163,562,254.64/18,912.17
  6. Step 6: Final answer
    x = 8,648.52

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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.