Home / 10,093.28-15,130.16-5,165.24

Finding the Fourth Proportional to 10,093.28, 15,130.16 and 5,165.24

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Solution

The fourth proportional to 10,093.28, 15,130.16 and 5,165.24 is: 7,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.28 : 15,130.16 = 5,165.24 : x
  2. Step 2: Convert to fraction form
    10,093.28/15,130.16 = 5,165.24/x
  3. Step 3: Cross multiply
    10,093.28x = 15,130.16 × 5,165.24
  4. Step 4: Simplify right side
    10,093.28x = 78,150,907.64
  5. Step 5: Solve for x
    x = 78,150,907.64/10,093.28
  6. Step 6: Final answer
    x = 7,742.87

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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.