Home / 11,487.13-17,160.89-7,293.56

Finding the Fourth Proportional to 11,487.13, 17,160.89 and 7,293.56

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Solution

The fourth proportional to 11,487.13, 17,160.89 and 7,293.56 is: 10,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.13 : 17,160.89 = 7,293.56 : x
  2. Step 2: Convert to fraction form
    11,487.13/17,160.89 = 7,293.56/x
  3. Step 3: Cross multiply
    11,487.13x = 17,160.89 × 7,293.56
  4. Step 4: Simplify right side
    11,487.13x = 125,163,980.87
  5. Step 5: Solve for x
    x = 125,163,980.87/11,487.13
  6. Step 6: Final answer
    x = 10,896.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.