Home / 15,246.34-21,040.96-8,531.58

Finding the Fourth Proportional to 15,246.34, 21,040.96 and 8,531.58

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Solution

The fourth proportional to 15,246.34, 21,040.96 and 8,531.58 is: 11,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.34 : 21,040.96 = 8,531.58 : x
  2. Step 2: Convert to fraction form
    15,246.34/21,040.96 = 8,531.58/x
  3. Step 3: Cross multiply
    15,246.34x = 21,040.96 × 8,531.58
  4. Step 4: Simplify right side
    15,246.34x = 179,512,633.52
  5. Step 5: Solve for x
    x = 179,512,633.52/15,246.34
  6. Step 6: Final answer
    x = 11,774.15

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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.