Home / 13,757.49-20,639.28-4,993.10

Finding the Fourth Proportional to 13,757.49, 20,639.28 and 4,993.10

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Solution

The fourth proportional to 13,757.49, 20,639.28 and 4,993.10 is: 7,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.49 : 20,639.28 = 4,993.10 : x
  2. Step 2: Convert to fraction form
    13,757.49/20,639.28 = 4,993.10/x
  3. Step 3: Cross multiply
    13,757.49x = 20,639.28 × 4,993.10
  4. Step 4: Simplify right side
    13,757.49x = 103,053,988.97
  5. Step 5: Solve for x
    x = 103,053,988.97/13,757.49
  6. Step 6: Final answer
    x = 7,490.76

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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.