Home / 13,253.20-18,289.17-7,284.74

Finding the Fourth Proportional to 13,253.20, 18,289.17 and 7,284.74

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Solution

The fourth proportional to 13,253.20, 18,289.17 and 7,284.74 is: 10,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.20 : 18,289.17 = 7,284.74 : x
  2. Step 2: Convert to fraction form
    13,253.20/18,289.17 = 7,284.74/x
  3. Step 3: Cross multiply
    13,253.20x = 18,289.17 × 7,284.74
  4. Step 4: Simplify right side
    13,253.20x = 133,231,756.82
  5. Step 5: Solve for x
    x = 133,231,756.82/13,253.20
  6. Step 6: Final answer
    x = 10,052.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.