Home / 13,764.12-20,644.26-4,527

Finding the Fourth Proportional to 13,764.12, 20,644.26 and 4,527

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Solution

The fourth proportional to 13,764.12, 20,644.26 and 4,527 is: 6,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.12 : 20,644.26 = 4,527 : x
  2. Step 2: Convert to fraction form
    13,764.12/20,644.26 = 4,527/x
  3. Step 3: Cross multiply
    13,764.12x = 20,644.26 × 4,527
  4. Step 4: Simplify right side
    13,764.12x = 93,456,565.02
  5. Step 5: Solve for x
    x = 93,456,565.02/13,764.12
  6. Step 6: Final answer
    x = 6,789.87

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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.