Home / 19,913.90-29,849.36-9,374.99

Finding the Fourth Proportional to 19,913.90, 29,849.36 and 9,374.99

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Solution

The fourth proportional to 19,913.90, 29,849.36 and 9,374.99 is: 14,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.90 : 29,849.36 = 9,374.99 : x
  2. Step 2: Convert to fraction form
    19,913.90/29,849.36 = 9,374.99/x
  3. Step 3: Cross multiply
    19,913.90x = 29,849.36 × 9,374.99
  4. Step 4: Simplify right side
    19,913.90x = 279,837,255.38
  5. Step 5: Solve for x
    x = 279,837,255.38/19,913.90
  6. Step 6: Final answer
    x = 14,052.36

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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.