Home / 10,923.30-16,387.38-5,990.40

Finding the Fourth Proportional to 10,923.30, 16,387.38 and 5,990.40

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Solution

The fourth proportional to 10,923.30, 16,387.38 and 5,990.40 is: 8,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.30 : 16,387.38 = 5,990.40 : x
  2. Step 2: Convert to fraction form
    10,923.30/16,387.38 = 5,990.40/x
  3. Step 3: Cross multiply
    10,923.30x = 16,387.38 × 5,990.40
  4. Step 4: Simplify right side
    10,923.30x = 98,166,961.15
  5. Step 5: Solve for x
    x = 98,166,961.15/10,923.30
  6. Step 6: Final answer
    x = 8,986.93

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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.