Home / 10,884.74-15,024.36-6,172.16

Finding the Fourth Proportional to 10,884.74, 15,024.36 and 6,172.16

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Solution

The fourth proportional to 10,884.74, 15,024.36 and 6,172.16 is: 8,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.74 : 15,024.36 = 6,172.16 : x
  2. Step 2: Convert to fraction form
    10,884.74/15,024.36 = 6,172.16/x
  3. Step 3: Cross multiply
    10,884.74x = 15,024.36 × 6,172.16
  4. Step 4: Simplify right side
    10,884.74x = 92,732,647.84
  5. Step 5: Solve for x
    x = 92,732,647.84/10,884.74
  6. Step 6: Final answer
    x = 8,519.51

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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.