Home / 15,238.29-22,857.45-5,378.16

Finding the Fourth Proportional to 15,238.29, 22,857.45 and 5,378.16

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Solution

The fourth proportional to 15,238.29, 22,857.45 and 5,378.16 is: 8,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.29 : 22,857.45 = 5,378.16 : x
  2. Step 2: Convert to fraction form
    15,238.29/22,857.45 = 5,378.16/x
  3. Step 3: Cross multiply
    15,238.29x = 22,857.45 × 5,378.16
  4. Step 4: Simplify right side
    15,238.29x = 122,931,023.29
  5. Step 5: Solve for x
    x = 122,931,023.29/15,238.29
  6. Step 6: Final answer
    x = 8,067.25

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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.