Home / 12,275.10-16,940.61-6,971.22

Finding the Fourth Proportional to 12,275.10, 16,940.61 and 6,971.22

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Solution

The fourth proportional to 12,275.10, 16,940.61 and 6,971.22 is: 9,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.10 : 16,940.61 = 6,971.22 : x
  2. Step 2: Convert to fraction form
    12,275.10/16,940.61 = 6,971.22/x
  3. Step 3: Cross multiply
    12,275.10x = 16,940.61 × 6,971.22
  4. Step 4: Simplify right side
    12,275.10x = 118,096,719.24
  5. Step 5: Solve for x
    x = 118,096,719.24/12,275.10
  6. Step 6: Final answer
    x = 9,620.84

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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.