Home / 15,382.64-23,080.72-5,394.56

Finding the Fourth Proportional to 15,382.64, 23,080.72 and 5,394.56

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Solution

The fourth proportional to 15,382.64, 23,080.72 and 5,394.56 is: 8,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.64 : 23,080.72 = 5,394.56 : x
  2. Step 2: Convert to fraction form
    15,382.64/23,080.72 = 5,394.56/x
  3. Step 3: Cross multiply
    15,382.64x = 23,080.72 × 5,394.56
  4. Step 4: Simplify right side
    15,382.64x = 124,510,328.88
  5. Step 5: Solve for x
    x = 124,510,328.88/15,382.64
  6. Step 6: Final answer
    x = 8,094.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.