Home / 12,177.33-18,266.30-3,412.93

Finding the Fourth Proportional to 12,177.33, 18,266.30 and 3,412.93

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Solution

The fourth proportional to 12,177.33, 18,266.30 and 3,412.93 is: 5,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.33 : 18,266.30 = 3,412.93 : x
  2. Step 2: Convert to fraction form
    12,177.33/18,266.30 = 3,412.93/x
  3. Step 3: Cross multiply
    12,177.33x = 18,266.30 × 3,412.93
  4. Step 4: Simplify right side
    12,177.33x = 62,341,603.26
  5. Step 5: Solve for x
    x = 62,341,603.26/12,177.33
  6. Step 6: Final answer
    x = 5,119.48

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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.