Home / 18,635.77-27,953.85-5,488.39

Finding the Fourth Proportional to 18,635.77, 27,953.85 and 5,488.39

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Solution

The fourth proportional to 18,635.77, 27,953.85 and 5,488.39 is: 8,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.77 : 27,953.85 = 5,488.39 : x
  2. Step 2: Convert to fraction form
    18,635.77/27,953.85 = 5,488.39/x
  3. Step 3: Cross multiply
    18,635.77x = 27,953.85 × 5,488.39
  4. Step 4: Simplify right side
    18,635.77x = 153,421,630.80
  5. Step 5: Solve for x
    x = 153,421,630.80/18,635.77
  6. Step 6: Final answer
    x = 8,232.64

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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.