Home / 20,233.40-30,363.73-7,085.88

Finding the Fourth Proportional to 20,233.40, 30,363.73 and 7,085.88

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Solution

The fourth proportional to 20,233.40, 30,363.73 and 7,085.88 is: 10,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.40 : 30,363.73 = 7,085.88 : x
  2. Step 2: Convert to fraction form
    20,233.40/30,363.73 = 7,085.88/x
  3. Step 3: Cross multiply
    20,233.40x = 30,363.73 × 7,085.88
  4. Step 4: Simplify right side
    20,233.40x = 215,153,780.66
  5. Step 5: Solve for x
    x = 215,153,780.66/20,233.40
  6. Step 6: Final answer
    x = 10,633.60

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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.