Home / 14,907.20-22,380.34-9,998.80

Finding the Fourth Proportional to 14,907.20, 22,380.34 and 9,998.80

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Solution

The fourth proportional to 14,907.20, 22,380.34 and 9,998.80 is: 15,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.20 : 22,380.34 = 9,998.80 : x
  2. Step 2: Convert to fraction form
    14,907.20/22,380.34 = 9,998.80/x
  3. Step 3: Cross multiply
    14,907.20x = 22,380.34 × 9,998.80
  4. Step 4: Simplify right side
    14,907.20x = 223,776,543.59
  5. Step 5: Solve for x
    x = 223,776,543.59/14,907.20
  6. Step 6: Final answer
    x = 15,011.31

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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.