Home / 15,422.94-23,130.36-5,560.38

Finding the Fourth Proportional to 15,422.94, 23,130.36 and 5,560.38

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Solution

The fourth proportional to 15,422.94, 23,130.36 and 5,560.38 is: 8,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.94 : 23,130.36 = 5,560.38 : x
  2. Step 2: Convert to fraction form
    15,422.94/23,130.36 = 5,560.38/x
  3. Step 3: Cross multiply
    15,422.94x = 23,130.36 × 5,560.38
  4. Step 4: Simplify right side
    15,422.94x = 128,613,591.14
  5. Step 5: Solve for x
    x = 128,613,591.14/15,422.94
  6. Step 6: Final answer
    x = 8,339.11

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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.