Home / 11,903.38-16,422.95-6,866.93

Finding the Fourth Proportional to 11,903.38, 16,422.95 and 6,866.93

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Solution

The fourth proportional to 11,903.38, 16,422.95 and 6,866.93 is: 9,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.38 : 16,422.95 = 6,866.93 : x
  2. Step 2: Convert to fraction form
    11,903.38/16,422.95 = 6,866.93/x
  3. Step 3: Cross multiply
    11,903.38x = 16,422.95 × 6,866.93
  4. Step 4: Simplify right side
    11,903.38x = 112,775,306.27
  5. Step 5: Solve for x
    x = 112,775,306.27/11,903.38
  6. Step 6: Final answer
    x = 9,474.23

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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.