Home / 12,295.22-16,963.35-6,988.10

Finding the Fourth Proportional to 12,295.22, 16,963.35 and 6,988.10

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Solution

The fourth proportional to 12,295.22, 16,963.35 and 6,988.10 is: 9,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.22 : 16,963.35 = 6,988.10 : x
  2. Step 2: Convert to fraction form
    12,295.22/16,963.35 = 6,988.10/x
  3. Step 3: Cross multiply
    12,295.22x = 16,963.35 × 6,988.10
  4. Step 4: Simplify right side
    12,295.22x = 118,541,586.14
  5. Step 5: Solve for x
    x = 118,541,586.14/12,295.22
  6. Step 6: Final answer
    x = 9,641.27

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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.