Home / 9,990.85-14,984.59-3,664.42

Finding the Fourth Proportional to 9,990.85, 14,984.59 and 3,664.42

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Solution

The fourth proportional to 9,990.85, 14,984.59 and 3,664.42 is: 5,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.85 : 14,984.59 = 3,664.42 : x
  2. Step 2: Convert to fraction form
    9,990.85/14,984.59 = 3,664.42/x
  3. Step 3: Cross multiply
    9,990.85x = 14,984.59 × 3,664.42
  4. Step 4: Simplify right side
    9,990.85x = 54,909,831.29
  5. Step 5: Solve for x
    x = 54,909,831.29/9,990.85
  6. Step 6: Final answer
    x = 5,496.01

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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.