Home / 11,595.56-16,001.69-6,290.33

Finding the Fourth Proportional to 11,595.56, 16,001.69 and 6,290.33

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Solution

The fourth proportional to 11,595.56, 16,001.69 and 6,290.33 is: 8,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.56 : 16,001.69 = 6,290.33 : x
  2. Step 2: Convert to fraction form
    11,595.56/16,001.69 = 6,290.33/x
  3. Step 3: Cross multiply
    11,595.56x = 16,001.69 × 6,290.33
  4. Step 4: Simplify right side
    11,595.56x = 100,655,799.20
  5. Step 5: Solve for x
    x = 100,655,799.20/11,595.56
  6. Step 6: Final answer
    x = 8,680.55

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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.