Home / 13,972.47-20,966.25-10,858.74

Finding the Fourth Proportional to 13,972.47, 20,966.25 and 10,858.74

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Solution

The fourth proportional to 13,972.47, 20,966.25 and 10,858.74 is: 16,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.47 : 20,966.25 = 10,858.74 : x
  2. Step 2: Convert to fraction form
    13,972.47/20,966.25 = 10,858.74/x
  3. Step 3: Cross multiply
    13,972.47x = 20,966.25 × 10,858.74
  4. Step 4: Simplify right side
    13,972.47x = 227,667,057.53
  5. Step 5: Solve for x
    x = 227,667,057.53/13,972.47
  6. Step 6: Final answer
    x = 16,293.97

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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.