Home / 19,310.48-28,959.56-9,949.26

Finding the Fourth Proportional to 19,310.48, 28,959.56 and 9,949.26

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Solution

The fourth proportional to 19,310.48, 28,959.56 and 9,949.26 is: 14,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.48 : 28,959.56 = 9,949.26 : x
  2. Step 2: Convert to fraction form
    19,310.48/28,959.56 = 9,949.26/x
  3. Step 3: Cross multiply
    19,310.48x = 28,959.56 × 9,949.26
  4. Step 4: Simplify right side
    19,310.48x = 288,126,191.93
  5. Step 5: Solve for x
    x = 288,126,191.93/19,310.48
  6. Step 6: Final answer
    x = 14,920.72

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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.