Home / 10,933.54-15,080.29-7,150.64

Finding the Fourth Proportional to 10,933.54, 15,080.29 and 7,150.64

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Solution

The fourth proportional to 10,933.54, 15,080.29 and 7,150.64 is: 9,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.54 : 15,080.29 = 7,150.64 : x
  2. Step 2: Convert to fraction form
    10,933.54/15,080.29 = 7,150.64/x
  3. Step 3: Cross multiply
    10,933.54x = 15,080.29 × 7,150.64
  4. Step 4: Simplify right side
    10,933.54x = 107,833,631.61
  5. Step 5: Solve for x
    x = 107,833,631.61/10,933.54
  6. Step 6: Final answer
    x = 9,862.65

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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.