Home / 17,980.86-26,971.42-5,501.11

Finding the Fourth Proportional to 17,980.86, 26,971.42 and 5,501.11

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Solution

The fourth proportional to 17,980.86, 26,971.42 and 5,501.11 is: 8,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.86 : 26,971.42 = 5,501.11 : x
  2. Step 2: Convert to fraction form
    17,980.86/26,971.42 = 5,501.11/x
  3. Step 3: Cross multiply
    17,980.86x = 26,971.42 × 5,501.11
  4. Step 4: Simplify right side
    17,980.86x = 148,372,613.42
  5. Step 5: Solve for x
    x = 148,372,613.42/17,980.86
  6. Step 6: Final answer
    x = 8,251.70

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1.5x scale

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.