Home / 12,757.95-19,140.57-4,862.88

Finding the Fourth Proportional to 12,757.95, 19,140.57 and 4,862.88

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Solution

The fourth proportional to 12,757.95, 19,140.57 and 4,862.88 is: 7,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.95 : 19,140.57 = 4,862.88 : x
  2. Step 2: Convert to fraction form
    12,757.95/19,140.57 = 4,862.88/x
  3. Step 3: Cross multiply
    12,757.95x = 19,140.57 × 4,862.88
  4. Step 4: Simplify right side
    12,757.95x = 93,078,295.04
  5. Step 5: Solve for x
    x = 93,078,295.04/12,757.95
  6. Step 6: Final answer
    x = 7,295.71

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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.