Home / 8,901.36-12,274.94-6,911.16

Finding the Fourth Proportional to 8,901.36, 12,274.94 and 6,911.16

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Solution

The fourth proportional to 8,901.36, 12,274.94 and 6,911.16 is: 9,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.36 : 12,274.94 = 6,911.16 : x
  2. Step 2: Convert to fraction form
    8,901.36/12,274.94 = 6,911.16/x
  3. Step 3: Cross multiply
    8,901.36x = 12,274.94 × 6,911.16
  4. Step 4: Simplify right side
    8,901.36x = 84,834,074.33
  5. Step 5: Solve for x
    x = 84,834,074.33/8,901.36
  6. Step 6: Final answer
    x = 9,530.46

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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.