Home / 13,271.13-18,195.46-13,034.20

Finding the Fourth Proportional to 13,271.13, 18,195.46 and 13,034.20

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Solution

The fourth proportional to 13,271.13, 18,195.46 and 13,034.20 is: 17,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.13 : 18,195.46 = 13,034.20 : x
  2. Step 2: Convert to fraction form
    13,271.13/18,195.46 = 13,034.20/x
  3. Step 3: Cross multiply
    13,271.13x = 18,195.46 × 13,034.20
  4. Step 4: Simplify right side
    13,271.13x = 237,163,264.73
  5. Step 5: Solve for x
    x = 237,163,264.73/13,271.13
  6. Step 6: Final answer
    x = 17,870.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.