Home / 19,563.79-29,349.85-7,877.01

Finding the Fourth Proportional to 19,563.79, 29,349.85 and 7,877.01

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Solution

The fourth proportional to 19,563.79, 29,349.85 and 7,877.01 is: 11,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.79 : 29,349.85 = 7,877.01 : x
  2. Step 2: Convert to fraction form
    19,563.79/29,349.85 = 7,877.01/x
  3. Step 3: Cross multiply
    19,563.79x = 29,349.85 × 7,877.01
  4. Step 4: Simplify right side
    19,563.79x = 231,189,061.95
  5. Step 5: Solve for x
    x = 231,189,061.95/19,563.79
  6. Step 6: Final answer
    x = 11,817.19

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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.