Home / 16,106.81-22,228.89-9,394.61

Finding the Fourth Proportional to 16,106.81, 22,228.89 and 9,394.61

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Solution

The fourth proportional to 16,106.81, 22,228.89 and 9,394.61 is: 12,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,106.81 : 22,228.89 = 9,394.61 : x
  2. Step 2: Convert to fraction form
    16,106.81/22,228.89 = 9,394.61/x
  3. Step 3: Cross multiply
    16,106.81x = 22,228.89 × 9,394.61
  4. Step 4: Simplify right side
    16,106.81x = 208,831,752.28
  5. Step 5: Solve for x
    x = 208,831,752.28/16,106.81
  6. Step 6: Final answer
    x = 12,965.43

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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.