Home / 21,538.06-32,307-5,743.06

Finding the Fourth Proportional to 21,538.06, 32,307 and 5,743.06

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Solution

The fourth proportional to 21,538.06, 32,307 and 5,743.06 is: 8,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.06 : 32,307 = 5,743.06 : x
  2. Step 2: Convert to fraction form
    21,538.06/32,307 = 5,743.06/x
  3. Step 3: Cross multiply
    21,538.06x = 32,307 × 5,743.06
  4. Step 4: Simplify right side
    21,538.06x = 185,541,039.42
  5. Step 5: Solve for x
    x = 185,541,039.42/21,538.06
  6. Step 6: Final answer
    x = 8,614.57

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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.