Home / 15,689.70-23,567.36-13,229.33

Finding the Fourth Proportional to 15,689.70, 23,567.36 and 13,229.33

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Solution

The fourth proportional to 15,689.70, 23,567.36 and 13,229.33 is: 19,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.70 : 23,567.36 = 13,229.33 : x
  2. Step 2: Convert to fraction form
    15,689.70/23,567.36 = 13,229.33/x
  3. Step 3: Cross multiply
    15,689.70x = 23,567.36 × 13,229.33
  4. Step 4: Simplify right side
    15,689.70x = 311,780,198.69
  5. Step 5: Solve for x
    x = 311,780,198.69/15,689.70
  6. Step 6: Final answer
    x = 19,871.65

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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.