Home / 20,225.52-27,903.09-12,264.84

Finding the Fourth Proportional to 20,225.52, 27,903.09 and 12,264.84

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Solution

The fourth proportional to 20,225.52, 27,903.09 and 12,264.84 is: 16,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.52 : 27,903.09 = 12,264.84 : x
  2. Step 2: Convert to fraction form
    20,225.52/27,903.09 = 12,264.84/x
  3. Step 3: Cross multiply
    20,225.52x = 27,903.09 × 12,264.84
  4. Step 4: Simplify right side
    20,225.52x = 342,226,934.36
  5. Step 5: Solve for x
    x = 342,226,934.36/20,225.52
  6. Step 6: Final answer
    x = 16,920.55

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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.