Home / 12,848.71-19,273.46-3,488.70

Finding the Fourth Proportional to 12,848.71, 19,273.46 and 3,488.70

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Solution

The fourth proportional to 12,848.71, 19,273.46 and 3,488.70 is: 5,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.71 : 19,273.46 = 3,488.70 : x
  2. Step 2: Convert to fraction form
    12,848.71/19,273.46 = 3,488.70/x
  3. Step 3: Cross multiply
    12,848.71x = 19,273.46 × 3,488.70
  4. Step 4: Simplify right side
    12,848.71x = 67,239,319.90
  5. Step 5: Solve for x
    x = 67,239,319.90/12,848.71
  6. Step 6: Final answer
    x = 5,233.16

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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.