Home / 14,289.12-19,717.10-8,001.50

Finding the Fourth Proportional to 14,289.12, 19,717.10 and 8,001.50

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Solution

The fourth proportional to 14,289.12, 19,717.10 and 8,001.50 is: 11,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.12 : 19,717.10 = 8,001.50 : x
  2. Step 2: Convert to fraction form
    14,289.12/19,717.10 = 8,001.50/x
  3. Step 3: Cross multiply
    14,289.12x = 19,717.10 × 8,001.50
  4. Step 4: Simplify right side
    14,289.12x = 157,766,375.65
  5. Step 5: Solve for x
    x = 157,766,375.65/14,289.12
  6. Step 6: Final answer
    x = 11,041.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.