Home / 12,260.32-16,913.68-7,224.80

Finding the Fourth Proportional to 12,260.32, 16,913.68 and 7,224.80

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Solution

The fourth proportional to 12,260.32, 16,913.68 and 7,224.80 is: 9,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.32 : 16,913.68 = 7,224.80 : x
  2. Step 2: Convert to fraction form
    12,260.32/16,913.68 = 7,224.80/x
  3. Step 3: Cross multiply
    12,260.32x = 16,913.68 × 7,224.80
  4. Step 4: Simplify right side
    12,260.32x = 122,197,955.26
  5. Step 5: Solve for x
    x = 122,197,955.26/12,260.32
  6. Step 6: Final answer
    x = 9,966.95

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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.