Home / 21,460.18-32,170.67-8,302.64

Finding the Fourth Proportional to 21,460.18, 32,170.67 and 8,302.64

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Solution

The fourth proportional to 21,460.18, 32,170.67 and 8,302.64 is: 12,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.18 : 32,170.67 = 8,302.64 : x
  2. Step 2: Convert to fraction form
    21,460.18/32,170.67 = 8,302.64/x
  3. Step 3: Cross multiply
    21,460.18x = 32,170.67 × 8,302.64
  4. Step 4: Simplify right side
    21,460.18x = 267,101,491.57
  5. Step 5: Solve for x
    x = 267,101,491.57/21,460.18
  6. Step 6: Final answer
    x = 12,446.38

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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.