Home / 10,896.21-15,030.51-6,910.47

Finding the Fourth Proportional to 10,896.21, 15,030.51 and 6,910.47

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Solution

The fourth proportional to 10,896.21, 15,030.51 and 6,910.47 is: 9,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.21 : 15,030.51 = 6,910.47 : x
  2. Step 2: Convert to fraction form
    10,896.21/15,030.51 = 6,910.47/x
  3. Step 3: Cross multiply
    10,896.21x = 15,030.51 × 6,910.47
  4. Step 4: Simplify right side
    10,896.21x = 103,867,778.73
  5. Step 5: Solve for x
    x = 103,867,778.73/10,896.21
  6. Step 6: Final answer
    x = 9,532.47

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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.