Home / 12,944.08-19,370.76-9,649

Finding the Fourth Proportional to 12,944.08, 19,370.76 and 9,649

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Solution

The fourth proportional to 12,944.08, 19,370.76 and 9,649 is: 14,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.08 : 19,370.76 = 9,649 : x
  2. Step 2: Convert to fraction form
    12,944.08/19,370.76 = 9,649/x
  3. Step 3: Cross multiply
    12,944.08x = 19,370.76 × 9,649
  4. Step 4: Simplify right side
    12,944.08x = 186,908,463.24
  5. Step 5: Solve for x
    x = 186,908,463.24/12,944.08
  6. Step 6: Final answer
    x = 14,439.69

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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.