Home / 9,981.62-13,774.36-5,505.29

Finding the Fourth Proportional to 9,981.62, 13,774.36 and 5,505.29

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Solution

The fourth proportional to 9,981.62, 13,774.36 and 5,505.29 is: 7,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.62 : 13,774.36 = 5,505.29 : x
  2. Step 2: Convert to fraction form
    9,981.62/13,774.36 = 5,505.29/x
  3. Step 3: Cross multiply
    9,981.62x = 13,774.36 × 5,505.29
  4. Step 4: Simplify right side
    9,981.62x = 75,831,846.36
  5. Step 5: Solve for x
    x = 75,831,846.36/9,981.62
  6. Step 6: Final answer
    x = 7,597.15

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1.5x scale

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.