Home / 20,444.32-28,213.46-11,948.68

Finding the Fourth Proportional to 20,444.32, 28,213.46 and 11,948.68

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Solution

The fourth proportional to 20,444.32, 28,213.46 and 11,948.68 is: 16,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.32 : 28,213.46 = 11,948.68 : x
  2. Step 2: Convert to fraction form
    20,444.32/28,213.46 = 11,948.68/x
  3. Step 3: Cross multiply
    20,444.32x = 28,213.46 × 11,948.68
  4. Step 4: Simplify right side
    20,444.32x = 337,113,605.23
  5. Step 5: Solve for x
    x = 337,113,605.23/20,444.32
  6. Step 6: Final answer
    x = 16,489.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.