Home / 20,461.59-30,693.68-6,422.17

Finding the Fourth Proportional to 20,461.59, 30,693.68 and 6,422.17

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Solution

The fourth proportional to 20,461.59, 30,693.68 and 6,422.17 is: 9,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.59 : 30,693.68 = 6,422.17 : x
  2. Step 2: Convert to fraction form
    20,461.59/30,693.68 = 6,422.17/x
  3. Step 3: Cross multiply
    20,461.59x = 30,693.68 × 6,422.17
  4. Step 4: Simplify right side
    20,461.59x = 197,120,030.89
  5. Step 5: Solve for x
    x = 197,120,030.89/20,461.59
  6. Step 6: Final answer
    x = 9,633.66

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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.