Home / 11,326.02-15,630.32-6,290.33

Finding the Fourth Proportional to 11,326.02, 15,630.32 and 6,290.33

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Solution

The fourth proportional to 11,326.02, 15,630.32 and 6,290.33 is: 8,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.02 : 15,630.32 = 6,290.33 : x
  2. Step 2: Convert to fraction form
    11,326.02/15,630.32 = 6,290.33/x
  3. Step 3: Cross multiply
    11,326.02x = 15,630.32 × 6,290.33
  4. Step 4: Simplify right side
    11,326.02x = 98,319,761.20
  5. Step 5: Solve for x
    x = 98,319,761.20/11,326.02
  6. Step 6: Final answer
    x = 8,680.87

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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.