Home / 9,323.36-12,838.50-9,116.44

Finding the Fourth Proportional to 9,323.36, 12,838.50 and 9,116.44

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Solution

The fourth proportional to 9,323.36, 12,838.50 and 9,116.44 is: 12,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.36 : 12,838.50 = 9,116.44 : x
  2. Step 2: Convert to fraction form
    9,323.36/12,838.50 = 9,116.44/x
  3. Step 3: Cross multiply
    9,323.36x = 12,838.50 × 9,116.44
  4. Step 4: Simplify right side
    9,323.36x = 117,041,414.94
  5. Step 5: Solve for x
    x = 117,041,414.94/9,323.36
  6. Step 6: Final answer
    x = 12,553.57

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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.