Home / 10,071.36-15,104.48-3,912

Finding the Fourth Proportional to 10,071.36, 15,104.48 and 3,912

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Solution

The fourth proportional to 10,071.36, 15,104.48 and 3,912 is: 5,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.36 : 15,104.48 = 3,912 : x
  2. Step 2: Convert to fraction form
    10,071.36/15,104.48 = 3,912/x
  3. Step 3: Cross multiply
    10,071.36x = 15,104.48 × 3,912
  4. Step 4: Simplify right side
    10,071.36x = 59,088,725.76
  5. Step 5: Solve for x
    x = 59,088,725.76/10,071.36
  6. Step 6: Final answer
    x = 5,867.01

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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.