Home / 22,307.14-30,784.26-12,236.56

Finding the Fourth Proportional to 22,307.14, 30,784.26 and 12,236.56

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Solution

The fourth proportional to 22,307.14, 30,784.26 and 12,236.56 is: 16,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.14 : 30,784.26 = 12,236.56 : x
  2. Step 2: Convert to fraction form
    22,307.14/30,784.26 = 12,236.56/x
  3. Step 3: Cross multiply
    22,307.14x = 30,784.26 × 12,236.56
  4. Step 4: Simplify right side
    22,307.14x = 376,693,444.55
  5. Step 5: Solve for x
    x = 376,693,444.55/22,307.14
  6. Step 6: Final answer
    x = 16,886.68

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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.