Home / 11,088.45-15,290.37-8,570.97

Finding the Fourth Proportional to 11,088.45, 15,290.37 and 8,570.97

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Solution

The fourth proportional to 11,088.45, 15,290.37 and 8,570.97 is: 11,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.45 : 15,290.37 = 8,570.97 : x
  2. Step 2: Convert to fraction form
    11,088.45/15,290.37 = 8,570.97/x
  3. Step 3: Cross multiply
    11,088.45x = 15,290.37 × 8,570.97
  4. Step 4: Simplify right side
    11,088.45x = 131,053,302.56
  5. Step 5: Solve for x
    x = 131,053,302.56/11,088.45
  6. Step 6: Final answer
    x = 11,818.90

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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.