Home / 22,356.08-30,855.84-12,927.68

Finding the Fourth Proportional to 22,356.08, 30,855.84 and 12,927.68

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Solution

The fourth proportional to 22,356.08, 30,855.84 and 12,927.68 is: 17,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.08 : 30,855.84 = 12,927.68 : x
  2. Step 2: Convert to fraction form
    22,356.08/30,855.84 = 12,927.68/x
  3. Step 3: Cross multiply
    22,356.08x = 30,855.84 × 12,927.68
  4. Step 4: Simplify right side
    22,356.08x = 398,894,425.65
  5. Step 5: Solve for x
    x = 398,894,425.65/22,356.08
  6. Step 6: Final answer
    x = 17,842.77

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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.