Home / 12,848.61-19,274.20-3,488.78

Finding the Fourth Proportional to 12,848.61, 19,274.20 and 3,488.78

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Solution

The fourth proportional to 12,848.61, 19,274.20 and 3,488.78 is: 5,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.61 : 19,274.20 = 3,488.78 : x
  2. Step 2: Convert to fraction form
    12,848.61/19,274.20 = 3,488.78/x
  3. Step 3: Cross multiply
    12,848.61x = 19,274.20 × 3,488.78
  4. Step 4: Simplify right side
    12,848.61x = 67,243,329.66
  5. Step 5: Solve for x
    x = 67,243,329.66/12,848.61
  6. Step 6: Final answer
    x = 5,233.51

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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.