Home / 9,932.20-14,903.70-4,089.40

Finding the Fourth Proportional to 9,932.20, 14,903.70 and 4,089.40

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Solution

The fourth proportional to 9,932.20, 14,903.70 and 4,089.40 is: 6,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.20 : 14,903.70 = 4,089.40 : x
  2. Step 2: Convert to fraction form
    9,932.20/14,903.70 = 4,089.40/x
  3. Step 3: Cross multiply
    9,932.20x = 14,903.70 × 4,089.40
  4. Step 4: Simplify right side
    9,932.20x = 60,947,190.78
  5. Step 5: Solve for x
    x = 60,947,190.78/9,932.20
  6. Step 6: Final answer
    x = 6,136.32

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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.