Home / 13,944.78-20,901.06-6,432.62

Finding the Fourth Proportional to 13,944.78, 20,901.06 and 6,432.62

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Solution

The fourth proportional to 13,944.78, 20,901.06 and 6,432.62 is: 9,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.78 : 20,901.06 = 6,432.62 : x
  2. Step 2: Convert to fraction form
    13,944.78/20,901.06 = 6,432.62/x
  3. Step 3: Cross multiply
    13,944.78x = 20,901.06 × 6,432.62
  4. Step 4: Simplify right side
    13,944.78x = 134,448,472.07
  5. Step 5: Solve for x
    x = 134,448,472.07/13,944.78
  6. Step 6: Final answer
    x = 9,641.49

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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.