Home / 22,246.29-30,698.70-12,172.77

Finding the Fourth Proportional to 22,246.29, 30,698.70 and 12,172.77

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Solution

The fourth proportional to 22,246.29, 30,698.70 and 12,172.77 is: 16,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.29 : 30,698.70 = 12,172.77 : x
  2. Step 2: Convert to fraction form
    22,246.29/30,698.70 = 12,172.77/x
  3. Step 3: Cross multiply
    22,246.29x = 30,698.70 × 12,172.77
  4. Step 4: Simplify right side
    22,246.29x = 373,688,214.40
  5. Step 5: Solve for x
    x = 373,688,214.40/22,246.29
  6. Step 6: Final answer
    x = 16,797.78

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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.