Home / 21,865.62-32,769.38-8,710.76

Finding the Fourth Proportional to 21,865.62, 32,769.38 and 8,710.76

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Solution

The fourth proportional to 21,865.62, 32,769.38 and 8,710.76 is: 13,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.62 : 32,769.38 = 8,710.76 : x
  2. Step 2: Convert to fraction form
    21,865.62/32,769.38 = 8,710.76/x
  3. Step 3: Cross multiply
    21,865.62x = 32,769.38 × 8,710.76
  4. Step 4: Simplify right side
    21,865.62x = 285,446,204.53
  5. Step 5: Solve for x
    x = 285,446,204.53/21,865.62
  6. Step 6: Final answer
    x = 13,054.57

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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.