Home / 22,397.32-30,907.64-12,188.02

Finding the Fourth Proportional to 22,397.32, 30,907.64 and 12,188.02

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Solution

The fourth proportional to 22,397.32, 30,907.64 and 12,188.02 is: 16,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,397.32 : 30,907.64 = 12,188.02 : x
  2. Step 2: Convert to fraction form
    22,397.32/30,907.64 = 12,188.02/x
  3. Step 3: Cross multiply
    22,397.32x = 30,907.64 × 12,188.02
  4. Step 4: Simplify right side
    22,397.32x = 376,702,934.47
  5. Step 5: Solve for x
    x = 376,702,934.47/22,397.32
  6. Step 6: Final answer
    x = 16,819.11

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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.