Home / 15,344.80-23,017.20-13,230.70

Finding the Fourth Proportional to 15,344.80, 23,017.20 and 13,230.70

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Solution

The fourth proportional to 15,344.80, 23,017.20 and 13,230.70 is: 19,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.80 : 23,017.20 = 13,230.70 : x
  2. Step 2: Convert to fraction form
    15,344.80/23,017.20 = 13,230.70/x
  3. Step 3: Cross multiply
    15,344.80x = 23,017.20 × 13,230.70
  4. Step 4: Simplify right side
    15,344.80x = 304,533,668.04
  5. Step 5: Solve for x
    x = 304,533,668.04/15,344.80
  6. Step 6: Final answer
    x = 19,846.05

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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.