Home / 22,206.74-30,645.24-12,135.25

Finding the Fourth Proportional to 22,206.74, 30,645.24 and 12,135.25

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Solution

The fourth proportional to 22,206.74, 30,645.24 and 12,135.25 is: 16,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.74 : 30,645.24 = 12,135.25 : x
  2. Step 2: Convert to fraction form
    22,206.74/30,645.24 = 12,135.25/x
  3. Step 3: Cross multiply
    22,206.74x = 30,645.24 × 12,135.25
  4. Step 4: Simplify right side
    22,206.74x = 371,887,434.81
  5. Step 5: Solve for x
    x = 371,887,434.81/22,206.74
  6. Step 6: Final answer
    x = 16,746.60

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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.