Home / 14,111.98-21,177.70-4,877.98

Finding the Fourth Proportional to 14,111.98, 21,177.70 and 4,877.98

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Solution

The fourth proportional to 14,111.98, 21,177.70 and 4,877.98 is: 7,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.98 : 21,177.70 = 4,877.98 : x
  2. Step 2: Convert to fraction form
    14,111.98/21,177.70 = 4,877.98/x
  3. Step 3: Cross multiply
    14,111.98x = 21,177.70 × 4,877.98
  4. Step 4: Simplify right side
    14,111.98x = 103,304,397.05
  5. Step 5: Solve for x
    x = 103,304,397.05/14,111.98
  6. Step 6: Final answer
    x = 7,320.33

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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.