Home / 13,143.52-19,715.28-5,350.24

Finding the Fourth Proportional to 13,143.52, 19,715.28 and 5,350.24

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Solution

The fourth proportional to 13,143.52, 19,715.28 and 5,350.24 is: 8,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.52 : 19,715.28 = 5,350.24 : x
  2. Step 2: Convert to fraction form
    13,143.52/19,715.28 = 5,350.24/x
  3. Step 3: Cross multiply
    13,143.52x = 19,715.28 × 5,350.24
  4. Step 4: Simplify right side
    13,143.52x = 105,481,479.67
  5. Step 5: Solve for x
    x = 105,481,479.67/13,143.52
  6. Step 6: Final answer
    x = 8,025.36

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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.