Home / 22,307.61-30,785.36-12,236.48

Finding the Fourth Proportional to 22,307.61, 30,785.36 and 12,236.48

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Solution

The fourth proportional to 22,307.61, 30,785.36 and 12,236.48 is: 16,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.61 : 30,785.36 = 12,236.48 : x
  2. Step 2: Convert to fraction form
    22,307.61/30,785.36 = 12,236.48/x
  3. Step 3: Cross multiply
    22,307.61x = 30,785.36 × 12,236.48
  4. Step 4: Simplify right side
    22,307.61x = 376,704,318.60
  5. Step 5: Solve for x
    x = 376,704,318.60/22,307.61
  6. Step 6: Final answer
    x = 16,886.81

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Double scale
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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.