Home / 16,130.80-22,258.49-8,960.68

Finding the Fourth Proportional to 16,130.80, 22,258.49 and 8,960.68

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Solution

The fourth proportional to 16,130.80, 22,258.49 and 8,960.68 is: 12,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.80 : 22,258.49 = 8,960.68 : x
  2. Step 2: Convert to fraction form
    16,130.80/22,258.49 = 8,960.68/x
  3. Step 3: Cross multiply
    16,130.80x = 22,258.49 × 8,960.68
  4. Step 4: Simplify right side
    16,130.80x = 199,451,206.17
  5. Step 5: Solve for x
    x = 199,451,206.17/16,130.80
  6. Step 6: Final answer
    x = 12,364.62

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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.