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Finding the Fourth Proportional to 10,071.78, 15,110.06 and 9,904.44

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Solution

The fourth proportional to 10,071.78, 15,110.06 and 9,904.44 is: 14,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.78 : 15,110.06 = 9,904.44 : x
  2. Step 2: Convert to fraction form
    10,071.78/15,110.06 = 9,904.44/x
  3. Step 3: Cross multiply
    10,071.78x = 15,110.06 × 9,904.44
  4. Step 4: Simplify right side
    10,071.78x = 149,656,682.67
  5. Step 5: Solve for x
    x = 149,656,682.67/10,071.78
  6. Step 6: Final answer
    x = 14,859.01

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1.5x scale

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.