Home / 16,470.36-22,728.78-9,395.64

Finding the Fourth Proportional to 16,470.36, 22,728.78 and 9,395.64

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Solution

The fourth proportional to 16,470.36, 22,728.78 and 9,395.64 is: 12,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470.36 : 22,728.78 = 9,395.64 : x
  2. Step 2: Convert to fraction form
    16,470.36/22,728.78 = 9,395.64/x
  3. Step 3: Cross multiply
    16,470.36x = 22,728.78 × 9,395.64
  4. Step 4: Simplify right side
    16,470.36x = 213,551,434.52
  5. Step 5: Solve for x
    x = 213,551,434.52/16,470.36
  6. Step 6: Final answer
    x = 12,965.80

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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.