Home / 13,260.17-18,299.07-7,291.86

Finding the Fourth Proportional to 13,260.17, 18,299.07 and 7,291.86

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Solution

The fourth proportional to 13,260.17, 18,299.07 and 7,291.86 is: 10,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.17 : 18,299.07 = 7,291.86 : x
  2. Step 2: Convert to fraction form
    13,260.17/18,299.07 = 7,291.86/x
  3. Step 3: Cross multiply
    13,260.17x = 18,299.07 × 7,291.86
  4. Step 4: Simplify right side
    13,260.17x = 133,434,256.57
  5. Step 5: Solve for x
    x = 133,434,256.57/13,260.17
  6. Step 6: Final answer
    x = 10,062.79

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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.