Home / 18,750.04-28,116.39-6,900.82

Finding the Fourth Proportional to 18,750.04, 28,116.39 and 6,900.82

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Solution

The fourth proportional to 18,750.04, 28,116.39 and 6,900.82 is: 10,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.04 : 28,116.39 = 6,900.82 : x
  2. Step 2: Convert to fraction form
    18,750.04/28,116.39 = 6,900.82/x
  3. Step 3: Cross multiply
    18,750.04x = 28,116.39 × 6,900.82
  4. Step 4: Simplify right side
    18,750.04x = 194,026,146.44
  5. Step 5: Solve for x
    x = 194,026,146.44/18,750.04
  6. Step 6: Final answer
    x = 10,348.04

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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.