Home / 10,891.36-15,030.26-6,175.54

Finding the Fourth Proportional to 10,891.36, 15,030.26 and 6,175.54

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Solution

The fourth proportional to 10,891.36, 15,030.26 and 6,175.54 is: 8,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.36 : 15,030.26 = 6,175.54 : x
  2. Step 2: Convert to fraction form
    10,891.36/15,030.26 = 6,175.54/x
  3. Step 3: Cross multiply
    10,891.36x = 15,030.26 × 6,175.54
  4. Step 4: Simplify right side
    10,891.36x = 92,819,971.84
  5. Step 5: Solve for x
    x = 92,819,971.84/10,891.36
  6. Step 6: Final answer
    x = 8,522.35

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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.