Home / 12,439.33-17,166.08-7,133.83

Finding the Fourth Proportional to 12,439.33, 17,166.08 and 7,133.83

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Solution

The fourth proportional to 12,439.33, 17,166.08 and 7,133.83 is: 9,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.33 : 17,166.08 = 7,133.83 : x
  2. Step 2: Convert to fraction form
    12,439.33/17,166.08 = 7,133.83/x
  3. Step 3: Cross multiply
    12,439.33x = 17,166.08 × 7,133.83
  4. Step 4: Simplify right side
    12,439.33x = 122,459,871.41
  5. Step 5: Solve for x
    x = 122,459,871.41/12,439.33
  6. Step 6: Final answer
    x = 9,844.57

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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.