Home / 12,648.87-18,947.91-6,304.62

Finding the Fourth Proportional to 12,648.87, 18,947.91 and 6,304.62

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Solution

The fourth proportional to 12,648.87, 18,947.91 and 6,304.62 is: 9,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.87 : 18,947.91 = 6,304.62 : x
  2. Step 2: Convert to fraction form
    12,648.87/18,947.91 = 6,304.62/x
  3. Step 3: Cross multiply
    12,648.87x = 18,947.91 × 6,304.62
  4. Step 4: Simplify right side
    12,648.87x = 119,459,372.34
  5. Step 5: Solve for x
    x = 119,459,372.34/12,648.87
  6. Step 6: Final answer
    x = 9,444.27

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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.