Home / 15,464.42-21,326.82-13,079.39

Finding the Fourth Proportional to 15,464.42, 21,326.82 and 13,079.39

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Solution

The fourth proportional to 15,464.42, 21,326.82 and 13,079.39 is: 18,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464.42 : 21,326.82 = 13,079.39 : x
  2. Step 2: Convert to fraction form
    15,464.42/21,326.82 = 13,079.39/x
  3. Step 3: Cross multiply
    15,464.42x = 21,326.82 × 13,079.39
  4. Step 4: Simplify right side
    15,464.42x = 278,941,796.24
  5. Step 5: Solve for x
    x = 278,941,796.24/15,464.42
  6. Step 6: Final answer
    x = 18,037.65

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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.