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Finding the Fourth Proportional to 10,351.95, 15,510.91 and 5,973.09

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Solution

The fourth proportional to 10,351.95, 15,510.91 and 5,973.09 is: 8,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.95 : 15,510.91 = 5,973.09 : x
  2. Step 2: Convert to fraction form
    10,351.95/15,510.91 = 5,973.09/x
  3. Step 3: Cross multiply
    10,351.95x = 15,510.91 × 5,973.09
  4. Step 4: Simplify right side
    10,351.95x = 92,647,953.99
  5. Step 5: Solve for x
    x = 92,647,953.99/10,351.95
  6. Step 6: Final answer
    x = 8,949.81

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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.