Home / 13,923.14-20,877.80-4,434.22

Finding the Fourth Proportional to 13,923.14, 20,877.80 and 4,434.22

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Solution

The fourth proportional to 13,923.14, 20,877.80 and 4,434.22 is: 6,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.14 : 20,877.80 = 4,434.22 : x
  2. Step 2: Convert to fraction form
    13,923.14/20,877.80 = 4,434.22/x
  3. Step 3: Cross multiply
    13,923.14x = 20,877.80 × 4,434.22
  4. Step 4: Simplify right side
    13,923.14x = 92,576,758.32
  5. Step 5: Solve for x
    x = 92,576,758.32/13,923.14
  6. Step 6: Final answer
    x = 6,649.13

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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.