Home / 12,830.97-19,248.57-4,508.82

Finding the Fourth Proportional to 12,830.97, 19,248.57 and 4,508.82

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Solution

The fourth proportional to 12,830.97, 19,248.57 and 4,508.82 is: 6,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.97 : 19,248.57 = 4,508.82 : x
  2. Step 2: Convert to fraction form
    12,830.97/19,248.57 = 4,508.82/x
  3. Step 3: Cross multiply
    12,830.97x = 19,248.57 × 4,508.82
  4. Step 4: Simplify right side
    12,830.97x = 86,788,337.39
  5. Step 5: Solve for x
    x = 86,788,337.39/12,830.97
  6. Step 6: Final answer
    x = 6,763.97

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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.