Home / 11,066.72-15,272.06-6,590.61

Finding the Fourth Proportional to 11,066.72, 15,272.06 and 6,590.61

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Solution

The fourth proportional to 11,066.72, 15,272.06 and 6,590.61 is: 9,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.72 : 15,272.06 = 6,590.61 : x
  2. Step 2: Convert to fraction form
    11,066.72/15,272.06 = 6,590.61/x
  3. Step 3: Cross multiply
    11,066.72x = 15,272.06 × 6,590.61
  4. Step 4: Simplify right side
    11,066.72x = 100,652,158.40
  5. Step 5: Solve for x
    x = 100,652,158.40/11,066.72
  6. Step 6: Final answer
    x = 9,095.03

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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.