Home / 14,061.69-21,095.97-9,909.79

Finding the Fourth Proportional to 14,061.69, 21,095.97 and 9,909.79

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Solution

The fourth proportional to 14,061.69, 21,095.97 and 9,909.79 is: 14,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.69 : 21,095.97 = 9,909.79 : x
  2. Step 2: Convert to fraction form
    14,061.69/21,095.97 = 9,909.79/x
  3. Step 3: Cross multiply
    14,061.69x = 21,095.97 × 9,909.79
  4. Step 4: Simplify right side
    14,061.69x = 209,056,632.55
  5. Step 5: Solve for x
    x = 209,056,632.55/14,061.69
  6. Step 6: Final answer
    x = 14,867.11

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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.