Home / 12,641.13-18,947.57-4,736.04

Finding the Fourth Proportional to 12,641.13, 18,947.57 and 4,736.04

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Solution

The fourth proportional to 12,641.13, 18,947.57 and 4,736.04 is: 7,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641.13 : 18,947.57 = 4,736.04 : x
  2. Step 2: Convert to fraction form
    12,641.13/18,947.57 = 4,736.04/x
  3. Step 3: Cross multiply
    12,641.13x = 18,947.57 × 4,736.04
  4. Step 4: Simplify right side
    12,641.13x = 89,736,425.74
  5. Step 5: Solve for x
    x = 89,736,425.74/12,641.13
  6. Step 6: Final answer
    x = 7,098.77

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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.