Home / 12,496.10-17,239.46-8,721.46

Finding the Fourth Proportional to 12,496.10, 17,239.46 and 8,721.46

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Solution

The fourth proportional to 12,496.10, 17,239.46 and 8,721.46 is: 12,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.10 : 17,239.46 = 8,721.46 : x
  2. Step 2: Convert to fraction form
    12,496.10/17,239.46 = 8,721.46/x
  3. Step 3: Cross multiply
    12,496.10x = 17,239.46 × 8,721.46
  4. Step 4: Simplify right side
    12,496.10x = 150,353,260.81
  5. Step 5: Solve for x
    x = 150,353,260.81/12,496.10
  6. Step 6: Final answer
    x = 12,032.01

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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.