Home / 12,252.58-18,360.44-9,117.88

Finding the Fourth Proportional to 12,252.58, 18,360.44 and 9,117.88

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Solution

The fourth proportional to 12,252.58, 18,360.44 and 9,117.88 is: 13,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.58 : 18,360.44 = 9,117.88 : x
  2. Step 2: Convert to fraction form
    12,252.58/18,360.44 = 9,117.88/x
  3. Step 3: Cross multiply
    12,252.58x = 18,360.44 × 9,117.88
  4. Step 4: Simplify right side
    12,252.58x = 167,408,288.67
  5. Step 5: Solve for x
    x = 167,408,288.67/12,252.58
  6. Step 6: Final answer
    x = 13,663.11

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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.