Home / 21,658.32-32,484.60-6,868.76

Finding the Fourth Proportional to 21,658.32, 32,484.60 and 6,868.76

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Solution

The fourth proportional to 21,658.32, 32,484.60 and 6,868.76 is: 10,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.32 : 32,484.60 = 6,868.76 : x
  2. Step 2: Convert to fraction form
    21,658.32/32,484.60 = 6,868.76/x
  3. Step 3: Cross multiply
    21,658.32x = 32,484.60 × 6,868.76
  4. Step 4: Simplify right side
    21,658.32x = 223,128,758.67
  5. Step 5: Solve for x
    x = 223,128,758.67/21,658.32
  6. Step 6: Final answer
    x = 10,302.22

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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.