Home / 21,538.62-32,307.92-6,748.70

Finding the Fourth Proportional to 21,538.62, 32,307.92 and 6,748.70

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Solution

The fourth proportional to 21,538.62, 32,307.92 and 6,748.70 is: 10,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.62 : 32,307.92 = 6,748.70 : x
  2. Step 2: Convert to fraction form
    21,538.62/32,307.92 = 6,748.70/x
  3. Step 3: Cross multiply
    21,538.62x = 32,307.92 × 6,748.70
  4. Step 4: Simplify right side
    21,538.62x = 218,036,459.70
  5. Step 5: Solve for x
    x = 218,036,459.70/21,538.62
  6. Step 6: Final answer
    x = 10,123.05

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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.