Home / 12,254.46-18,360.42-9,638.88

Finding the Fourth Proportional to 12,254.46, 18,360.42 and 9,638.88

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Solution

The fourth proportional to 12,254.46, 18,360.42 and 9,638.88 is: 14,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.46 : 18,360.42 = 9,638.88 : x
  2. Step 2: Convert to fraction form
    12,254.46/18,360.42 = 9,638.88/x
  3. Step 3: Cross multiply
    12,254.46x = 18,360.42 × 9,638.88
  4. Step 4: Simplify right side
    12,254.46x = 176,973,885.13
  5. Step 5: Solve for x
    x = 176,973,885.13/12,254.46
  6. Step 6: Final answer
    x = 14,441.59

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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.