Home / 20,484.30-30,726.84-6,444.06

Finding the Fourth Proportional to 20,484.30, 30,726.84 and 6,444.06

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Solution

The fourth proportional to 20,484.30, 30,726.84 and 6,444.06 is: 9,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.30 : 30,726.84 = 6,444.06 : x
  2. Step 2: Convert to fraction form
    20,484.30/30,726.84 = 6,444.06/x
  3. Step 3: Cross multiply
    20,484.30x = 30,726.84 × 6,444.06
  4. Step 4: Simplify right side
    20,484.30x = 198,005,600.57
  5. Step 5: Solve for x
    x = 198,005,600.57/20,484.30
  6. Step 6: Final answer
    x = 9,666.21

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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.