Home / 15,278.30-22,918.65-6,513.28

Finding the Fourth Proportional to 15,278.30, 22,918.65 and 6,513.28

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Solution

The fourth proportional to 15,278.30, 22,918.65 and 6,513.28 is: 9,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.30 : 22,918.65 = 6,513.28 : x
  2. Step 2: Convert to fraction form
    15,278.30/22,918.65 = 6,513.28/x
  3. Step 3: Cross multiply
    15,278.30x = 22,918.65 × 6,513.28
  4. Step 4: Simplify right side
    15,278.30x = 149,275,584.67
  5. Step 5: Solve for x
    x = 149,275,584.67/15,278.30
  6. Step 6: Final answer
    x = 9,770.43

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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.