Home / 14,950.80-22,387.32-7,991.28

Finding the Fourth Proportional to 14,950.80, 22,387.32 and 7,991.28

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Solution

The fourth proportional to 14,950.80, 22,387.32 and 7,991.28 is: 11,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.80 : 22,387.32 = 7,991.28 : x
  2. Step 2: Convert to fraction form
    14,950.80/22,387.32 = 7,991.28/x
  3. Step 3: Cross multiply
    14,950.80x = 22,387.32 × 7,991.28
  4. Step 4: Simplify right side
    14,950.80x = 178,903,342.57
  5. Step 5: Solve for x
    x = 178,903,342.57/14,950.80
  6. Step 6: Final answer
    x = 11,966.14

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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.