Home / 15,877.20-23,809.70-7,550.80

Finding the Fourth Proportional to 15,877.20, 23,809.70 and 7,550.80

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Solution

The fourth proportional to 15,877.20, 23,809.70 and 7,550.80 is: 11,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.20 : 23,809.70 = 7,550.80 : x
  2. Step 2: Convert to fraction form
    15,877.20/23,809.70 = 7,550.80/x
  3. Step 3: Cross multiply
    15,877.20x = 23,809.70 × 7,550.80
  4. Step 4: Simplify right side
    15,877.20x = 179,782,282.76
  5. Step 5: Solve for x
    x = 179,782,282.76/15,877.20
  6. Step 6: Final answer
    x = 11,323.30

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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.