Home / 18,814.24-28,221.54-4,963.24

Finding the Fourth Proportional to 18,814.24, 28,221.54 and 4,963.24

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Solution

The fourth proportional to 18,814.24, 28,221.54 and 4,963.24 is: 7,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.24 : 28,221.54 = 4,963.24 : x
  2. Step 2: Convert to fraction form
    18,814.24/28,221.54 = 4,963.24/x
  3. Step 3: Cross multiply
    18,814.24x = 28,221.54 × 4,963.24
  4. Step 4: Simplify right side
    18,814.24x = 140,070,276.19
  5. Step 5: Solve for x
    x = 140,070,276.19/18,814.24
  6. Step 6: Final answer
    x = 7,444.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.