Home / 20,353.95-30,532.41-6,312.20

Finding the Fourth Proportional to 20,353.95, 30,532.41 and 6,312.20

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Solution

The fourth proportional to 20,353.95, 30,532.41 and 6,312.20 is: 9,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.95 : 30,532.41 = 6,312.20 : x
  2. Step 2: Convert to fraction form
    20,353.95/30,532.41 = 6,312.20/x
  3. Step 3: Cross multiply
    20,353.95x = 30,532.41 × 6,312.20
  4. Step 4: Simplify right side
    20,353.95x = 192,726,525.74
  5. Step 5: Solve for x
    x = 192,726,525.74/20,353.95
  6. Step 6: Final answer
    x = 9,468.75

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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.