Home / 18,533.22-27,799.76-10,208.85

Finding the Fourth Proportional to 18,533.22, 27,799.76 and 10,208.85

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Solution

The fourth proportional to 18,533.22, 27,799.76 and 10,208.85 is: 15,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.22 : 27,799.76 = 10,208.85 : x
  2. Step 2: Convert to fraction form
    18,533.22/27,799.76 = 10,208.85/x
  3. Step 3: Cross multiply
    18,533.22x = 27,799.76 × 10,208.85
  4. Step 4: Simplify right side
    18,533.22x = 283,803,528.83
  5. Step 5: Solve for x
    x = 283,803,528.83/18,533.22
  6. Step 6: Final answer
    x = 15,313.23

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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.