Home / 9,984.20-14,911.45-9,388.04

Finding the Fourth Proportional to 9,984.20, 14,911.45 and 9,388.04

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Solution

The fourth proportional to 9,984.20, 14,911.45 and 9,388.04 is: 14,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.20 : 14,911.45 = 9,388.04 : x
  2. Step 2: Convert to fraction form
    9,984.20/14,911.45 = 9,388.04/x
  3. Step 3: Cross multiply
    9,984.20x = 14,911.45 × 9,388.04
  4. Step 4: Simplify right side
    9,984.20x = 139,989,289.06
  5. Step 5: Solve for x
    x = 139,989,289.06/9,984.20
  6. Step 6: Final answer
    x = 14,021.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.