Home / 10,084.11-13,915.89-5,607.69

Finding the Fourth Proportional to 10,084.11, 13,915.89 and 5,607.69

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Solution

The fourth proportional to 10,084.11, 13,915.89 and 5,607.69 is: 7,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.11 : 13,915.89 = 5,607.69 : x
  2. Step 2: Convert to fraction form
    10,084.11/13,915.89 = 5,607.69/x
  3. Step 3: Cross multiply
    10,084.11x = 13,915.89 × 5,607.69
  4. Step 4: Simplify right side
    10,084.11x = 78,035,997.19
  5. Step 5: Solve for x
    x = 78,035,997.19/10,084.11
  6. Step 6: Final answer
    x = 7,738.51

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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.