Home / 13,244.34-18,277.26-7,275.86

Finding the Fourth Proportional to 13,244.34, 18,277.26 and 7,275.86

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Solution

The fourth proportional to 13,244.34, 18,277.26 and 7,275.86 is: 10,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.34 : 18,277.26 = 7,275.86 : x
  2. Step 2: Convert to fraction form
    13,244.34/18,277.26 = 7,275.86/x
  3. Step 3: Cross multiply
    13,244.34x = 18,277.26 × 7,275.86
  4. Step 4: Simplify right side
    13,244.34x = 132,982,784.94
  5. Step 5: Solve for x
    x = 132,982,784.94/13,244.34
  6. Step 6: Final answer
    x = 10,040.73

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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.