Home / 15,829.78-21,848.13-11,304.74

Finding the Fourth Proportional to 15,829.78, 21,848.13 and 11,304.74

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Solution

The fourth proportional to 15,829.78, 21,848.13 and 11,304.74 is: 15,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.78 : 21,848.13 = 11,304.74 : x
  2. Step 2: Convert to fraction form
    15,829.78/21,848.13 = 11,304.74/x
  3. Step 3: Cross multiply
    15,829.78x = 21,848.13 × 11,304.74
  4. Step 4: Simplify right side
    15,829.78x = 246,987,422.31
  5. Step 5: Solve for x
    x = 246,987,422.31/15,829.78
  6. Step 6: Final answer
    x = 15,602.71

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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.