Home / 17,605.76-26,390.86-11,036.55

Finding the Fourth Proportional to 17,605.76, 26,390.86 and 11,036.55

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Solution

The fourth proportional to 17,605.76, 26,390.86 and 11,036.55 is: 16,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.76 : 26,390.86 = 11,036.55 : x
  2. Step 2: Convert to fraction form
    17,605.76/26,390.86 = 11,036.55/x
  3. Step 3: Cross multiply
    17,605.76x = 26,390.86 × 11,036.55
  4. Step 4: Simplify right side
    17,605.76x = 291,264,179.39
  5. Step 5: Solve for x
    x = 291,264,179.39/17,605.76
  6. Step 6: Final answer
    x = 16,543.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.