Home / 22,780.30-34,175.45-6,987.50

Finding the Fourth Proportional to 22,780.30, 34,175.45 and 6,987.50

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Solution

The fourth proportional to 22,780.30, 34,175.45 and 6,987.50 is: 10,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.30 : 34,175.45 = 6,987.50 : x
  2. Step 2: Convert to fraction form
    22,780.30/34,175.45 = 6,987.50/x
  3. Step 3: Cross multiply
    22,780.30x = 34,175.45 × 6,987.50
  4. Step 4: Simplify right side
    22,780.30x = 238,800,803.47
  5. Step 5: Solve for x
    x = 238,800,803.47/22,780.30
  6. Step 6: Final answer
    x = 10,482.78

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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.