Home / 15,266.24-21,063.84-11,067.20

Finding the Fourth Proportional to 15,266.24, 21,063.84 and 11,067.20

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Solution

The fourth proportional to 15,266.24, 21,063.84 and 11,067.20 is: 15,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.24 : 21,063.84 = 11,067.20 : x
  2. Step 2: Convert to fraction form
    15,266.24/21,063.84 = 11,067.20/x
  3. Step 3: Cross multiply
    15,266.24x = 21,063.84 × 11,067.20
  4. Step 4: Simplify right side
    15,266.24x = 233,117,730.05
  5. Step 5: Solve for x
    x = 233,117,730.05/15,266.24
  6. Step 6: Final answer
    x = 15,270.15

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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.