Home / 14,001.75-21,003.03-3,613.50

Finding the Fourth Proportional to 14,001.75, 21,003.03 and 3,613.50

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Solution

The fourth proportional to 14,001.75, 21,003.03 and 3,613.50 is: 5,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.75 : 21,003.03 = 3,613.50 : x
  2. Step 2: Convert to fraction form
    14,001.75/21,003.03 = 3,613.50/x
  3. Step 3: Cross multiply
    14,001.75x = 21,003.03 × 3,613.50
  4. Step 4: Simplify right side
    14,001.75x = 75,894,448.91
  5. Step 5: Solve for x
    x = 75,894,448.91/14,001.75
  6. Step 6: Final answer
    x = 5,420.35

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1.5x scale

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.