Home / 19,938.56-29,868.80-14,664

Finding the Fourth Proportional to 19,938.56, 29,868.80 and 14,664

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Solution

The fourth proportional to 19,938.56, 29,868.80 and 14,664 is: 21,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.56 : 29,868.80 = 14,664 : x
  2. Step 2: Convert to fraction form
    19,938.56/29,868.80 = 14,664/x
  3. Step 3: Cross multiply
    19,938.56x = 29,868.80 × 14,664
  4. Step 4: Simplify right side
    19,938.56x = 437,996,083.20
  5. Step 5: Solve for x
    x = 437,996,083.20/19,938.56
  6. Step 6: Final answer
    x = 21,967.29

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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.