Home / 15,338.37-21,167.01-8,624.28

Finding the Fourth Proportional to 15,338.37, 21,167.01 and 8,624.28

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Solution

The fourth proportional to 15,338.37, 21,167.01 and 8,624.28 is: 11,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.37 : 21,167.01 = 8,624.28 : x
  2. Step 2: Convert to fraction form
    15,338.37/21,167.01 = 8,624.28/x
  3. Step 3: Cross multiply
    15,338.37x = 21,167.01 × 8,624.28
  4. Step 4: Simplify right side
    15,338.37x = 182,550,221.00
  5. Step 5: Solve for x
    x = 182,550,221.00/15,338.37
  6. Step 6: Final answer
    x = 11,901.54

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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.