Home / 12,252.20-16,900.07-7,212.17

Finding the Fourth Proportional to 12,252.20, 16,900.07 and 7,212.17

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Solution

The fourth proportional to 12,252.20, 16,900.07 and 7,212.17 is: 9,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.20 : 16,900.07 = 7,212.17 : x
  2. Step 2: Convert to fraction form
    12,252.20/16,900.07 = 7,212.17/x
  3. Step 3: Cross multiply
    12,252.20x = 16,900.07 × 7,212.17
  4. Step 4: Simplify right side
    12,252.20x = 121,886,184.04
  5. Step 5: Solve for x
    x = 121,886,184.04/12,252.20
  6. Step 6: Final answer
    x = 9,948.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.