Home / 14,811.84-20,423.52-11,079.36

Finding the Fourth Proportional to 14,811.84, 20,423.52 and 11,079.36

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Solution

The fourth proportional to 14,811.84, 20,423.52 and 11,079.36 is: 15,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.84 : 20,423.52 = 11,079.36 : x
  2. Step 2: Convert to fraction form
    14,811.84/20,423.52 = 11,079.36/x
  3. Step 3: Cross multiply
    14,811.84x = 20,423.52 × 11,079.36
  4. Step 4: Simplify right side
    14,811.84x = 226,279,530.55
  5. Step 5: Solve for x
    x = 226,279,530.55/14,811.84
  6. Step 6: Final answer
    x = 15,276.94

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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.