Home / 20,287.50-30,432.63-6,246.66

Finding the Fourth Proportional to 20,287.50, 30,432.63 and 6,246.66

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Solution

The fourth proportional to 20,287.50, 30,432.63 and 6,246.66 is: 9,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287.50 : 30,432.63 = 6,246.66 : x
  2. Step 2: Convert to fraction form
    20,287.50/30,432.63 = 6,246.66/x
  3. Step 3: Cross multiply
    20,287.50x = 30,432.63 × 6,246.66
  4. Step 4: Simplify right side
    20,287.50x = 190,102,292.52
  5. Step 5: Solve for x
    x = 190,102,292.52/20,287.50
  6. Step 6: Final answer
    x = 9,370.41

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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.