Home / 11,256.52-15,524.58-8,235.40

Finding the Fourth Proportional to 11,256.52, 15,524.58 and 8,235.40

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Solution

The fourth proportional to 11,256.52, 15,524.58 and 8,235.40 is: 11,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.52 : 15,524.58 = 8,235.40 : x
  2. Step 2: Convert to fraction form
    11,256.52/15,524.58 = 8,235.40/x
  3. Step 3: Cross multiply
    11,256.52x = 15,524.58 × 8,235.40
  4. Step 4: Simplify right side
    11,256.52x = 127,851,126.13
  5. Step 5: Solve for x
    x = 127,851,126.13/11,256.52
  6. Step 6: Final answer
    x = 11,357.96

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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.