Home / 21,971.59-32,960.69-6,387.19

Finding the Fourth Proportional to 21,971.59, 32,960.69 and 6,387.19

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Solution

The fourth proportional to 21,971.59, 32,960.69 and 6,387.19 is: 9,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.59 : 32,960.69 = 6,387.19 : x
  2. Step 2: Convert to fraction form
    21,971.59/32,960.69 = 6,387.19/x
  3. Step 3: Cross multiply
    21,971.59x = 32,960.69 × 6,387.19
  4. Step 4: Simplify right side
    21,971.59x = 210,526,189.56
  5. Step 5: Solve for x
    x = 210,526,189.56/21,971.59
  6. Step 6: Final answer
    x = 9,581.75

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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.