Home / 10,053.62-15,091.46-7,986.90

Finding the Fourth Proportional to 10,053.62, 15,091.46 and 7,986.90

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Solution

The fourth proportional to 10,053.62, 15,091.46 and 7,986.90 is: 11,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.62 : 15,091.46 = 7,986.90 : x
  2. Step 2: Convert to fraction form
    10,053.62/15,091.46 = 7,986.90/x
  3. Step 3: Cross multiply
    10,053.62x = 15,091.46 × 7,986.90
  4. Step 4: Simplify right side
    10,053.62x = 120,533,941.94
  5. Step 5: Solve for x
    x = 120,533,941.94/10,053.62
  6. Step 6: Final answer
    x = 11,989.11

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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.