Home / 13,862.46-20,795.04-13,115.10

Finding the Fourth Proportional to 13,862.46, 20,795.04 and 13,115.10

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Solution

The fourth proportional to 13,862.46, 20,795.04 and 13,115.10 is: 19,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.46 : 20,795.04 = 13,115.10 : x
  2. Step 2: Convert to fraction form
    13,862.46/20,795.04 = 13,115.10/x
  3. Step 3: Cross multiply
    13,862.46x = 20,795.04 × 13,115.10
  4. Step 4: Simplify right side
    13,862.46x = 272,729,029.10
  5. Step 5: Solve for x
    x = 272,729,029.10/13,862.46
  6. Step 6: Final answer
    x = 19,673.93

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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.