Home / 12,622.26-17,418.81-6,957.20

Finding the Fourth Proportional to 12,622.26, 17,418.81 and 6,957.20

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Solution

The fourth proportional to 12,622.26, 17,418.81 and 6,957.20 is: 9,600.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.26 : 17,418.81 = 6,957.20 : x
  2. Step 2: Convert to fraction form
    12,622.26/17,418.81 = 6,957.20/x
  3. Step 3: Cross multiply
    12,622.26x = 17,418.81 × 6,957.20
  4. Step 4: Simplify right side
    12,622.26x = 121,186,209.71
  5. Step 5: Solve for x
    x = 121,186,209.71/12,622.26
  6. Step 6: Final answer
    x = 9,600.99

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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.