Home / 20,294.61-30,444.78-6,255.78

Finding the Fourth Proportional to 20,294.61, 30,444.78 and 6,255.78

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Solution

The fourth proportional to 20,294.61, 30,444.78 and 6,255.78 is: 9,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.61 : 30,444.78 = 6,255.78 : x
  2. Step 2: Convert to fraction form
    20,294.61/30,444.78 = 6,255.78/x
  3. Step 3: Cross multiply
    20,294.61x = 30,444.78 × 6,255.78
  4. Step 4: Simplify right side
    20,294.61x = 190,455,845.83
  5. Step 5: Solve for x
    x = 190,455,845.83/20,294.61
  6. Step 6: Final answer
    x = 9,384.55

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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.