Home / 21,538.15-32,307.23-6,748.23

Finding the Fourth Proportional to 21,538.15, 32,307.23 and 6,748.23

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Solution

The fourth proportional to 21,538.15, 32,307.23 and 6,748.23 is: 10,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.15 : 32,307.23 = 6,748.23 : x
  2. Step 2: Convert to fraction form
    21,538.15/32,307.23 = 6,748.23/x
  3. Step 3: Cross multiply
    21,538.15x = 32,307.23 × 6,748.23
  4. Step 4: Simplify right side
    21,538.15x = 218,016,618.70
  5. Step 5: Solve for x
    x = 218,016,618.70/21,538.15
  6. Step 6: Final answer
    x = 10,122.35

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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.