Home / 13,223.28-19,816.29-10,437.69

Finding the Fourth Proportional to 13,223.28, 19,816.29 and 10,437.69

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Solution

The fourth proportional to 13,223.28, 19,816.29 and 10,437.69 is: 15,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.28 : 19,816.29 = 10,437.69 : x
  2. Step 2: Convert to fraction form
    13,223.28/19,816.29 = 10,437.69/x
  3. Step 3: Cross multiply
    13,223.28x = 19,816.29 × 10,437.69
  4. Step 4: Simplify right side
    13,223.28x = 206,836,291.97
  5. Step 5: Solve for x
    x = 206,836,291.97/13,223.28
  6. Step 6: Final answer
    x = 15,641.83

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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.