Home / 22,789.70-31,444.74-13,224.05

Finding the Fourth Proportional to 22,789.70, 31,444.74 and 13,224.05

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Solution

The fourth proportional to 22,789.70, 31,444.74 and 13,224.05 is: 18,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789.70 : 31,444.74 = 13,224.05 : x
  2. Step 2: Convert to fraction form
    22,789.70/31,444.74 = 13,224.05/x
  3. Step 3: Cross multiply
    22,789.70x = 31,444.74 × 13,224.05
  4. Step 4: Simplify right side
    22,789.70x = 415,826,814.00
  5. Step 5: Solve for x
    x = 415,826,814.00/22,789.70
  6. Step 6: Final answer
    x = 18,246.26

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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.