Home / 13,222.17-18,246.60-7,253.87

Finding the Fourth Proportional to 13,222.17, 18,246.60 and 7,253.87

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Solution

The fourth proportional to 13,222.17, 18,246.60 and 7,253.87 is: 10,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.17 : 18,246.60 = 7,253.87 : x
  2. Step 2: Convert to fraction form
    13,222.17/18,246.60 = 7,253.87/x
  3. Step 3: Cross multiply
    13,222.17x = 18,246.60 × 7,253.87
  4. Step 4: Simplify right side
    13,222.17x = 132,358,373.11
  5. Step 5: Solve for x
    x = 132,358,373.11/13,222.17
  6. Step 6: Final answer
    x = 10,010.34

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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.