Home / 12,718.52-19,074.06-4,925.48

Finding the Fourth Proportional to 12,718.52, 19,074.06 and 4,925.48

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Solution

The fourth proportional to 12,718.52, 19,074.06 and 4,925.48 is: 7,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.52 : 19,074.06 = 4,925.48 : x
  2. Step 2: Convert to fraction form
    12,718.52/19,074.06 = 4,925.48/x
  3. Step 3: Cross multiply
    12,718.52x = 19,074.06 × 4,925.48
  4. Step 4: Simplify right side
    12,718.52x = 93,948,901.05
  5. Step 5: Solve for x
    x = 93,948,901.05/12,718.52
  6. Step 6: Final answer
    x = 7,386.78

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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.