Home / 21,462.67-32,168.08-9,124.75

Finding the Fourth Proportional to 21,462.67, 32,168.08 and 9,124.75

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Solution

The fourth proportional to 21,462.67, 32,168.08 and 9,124.75 is: 13,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.67 : 32,168.08 = 9,124.75 : x
  2. Step 2: Convert to fraction form
    21,462.67/32,168.08 = 9,124.75/x
  3. Step 3: Cross multiply
    21,462.67x = 32,168.08 × 9,124.75
  4. Step 4: Simplify right side
    21,462.67x = 293,525,687.98
  5. Step 5: Solve for x
    x = 293,525,687.98/21,462.67
  6. Step 6: Final answer
    x = 13,676.10

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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.