Home / 17,009.90-25,497.22-12,318.18

Finding the Fourth Proportional to 17,009.90, 25,497.22 and 12,318.18

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Solution

The fourth proportional to 17,009.90, 25,497.22 and 12,318.18 is: 18,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.90 : 25,497.22 = 12,318.18 : x
  2. Step 2: Convert to fraction form
    17,009.90/25,497.22 = 12,318.18/x
  3. Step 3: Cross multiply
    17,009.90x = 25,497.22 × 12,318.18
  4. Step 4: Simplify right side
    17,009.90x = 314,079,345.46
  5. Step 5: Solve for x
    x = 314,079,345.46/17,009.90
  6. Step 6: Final answer
    x = 18,464.50

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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.