Home / 12,501.12-17,251.44-6,912.08

Finding the Fourth Proportional to 12,501.12, 17,251.44 and 6,912.08

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Solution

The fourth proportional to 12,501.12, 17,251.44 and 6,912.08 is: 9,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.12 : 17,251.44 = 6,912.08 : x
  2. Step 2: Convert to fraction form
    12,501.12/17,251.44 = 6,912.08/x
  3. Step 3: Cross multiply
    12,501.12x = 17,251.44 × 6,912.08
  4. Step 4: Simplify right side
    12,501.12x = 119,243,333.40
  5. Step 5: Solve for x
    x = 119,243,333.40/12,501.12
  6. Step 6: Final answer
    x = 9,538.61

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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.