Home / 23,115.60-34,674.20-7,320.80

Finding the Fourth Proportional to 23,115.60, 34,674.20 and 7,320.80

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Solution

The fourth proportional to 23,115.60, 34,674.20 and 7,320.80 is: 10,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.60 : 34,674.20 = 7,320.80 : x
  2. Step 2: Convert to fraction form
    23,115.60/34,674.20 = 7,320.80/x
  3. Step 3: Cross multiply
    23,115.60x = 34,674.20 × 7,320.80
  4. Step 4: Simplify right side
    23,115.60x = 253,842,883.36
  5. Step 5: Solve for x
    x = 253,842,883.36/23,115.60
  6. Step 6: Final answer
    x = 10,981.45

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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.