Home / 11,006.07-15,188.22-6,290.25

Finding the Fourth Proportional to 11,006.07, 15,188.22 and 6,290.25

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Solution

The fourth proportional to 11,006.07, 15,188.22 and 6,290.25 is: 8,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.07 : 15,188.22 = 6,290.25 : x
  2. Step 2: Convert to fraction form
    11,006.07/15,188.22 = 6,290.25/x
  3. Step 3: Cross multiply
    11,006.07x = 15,188.22 × 6,290.25
  4. Step 4: Simplify right side
    11,006.07x = 95,537,700.86
  5. Step 5: Solve for x
    x = 95,537,700.86/11,006.07
  6. Step 6: Final answer
    x = 8,680.46

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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.