Home / 22,346.48-33,508.89-12,989.19

Finding the Fourth Proportional to 22,346.48, 33,508.89 and 12,989.19

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Solution

The fourth proportional to 22,346.48, 33,508.89 and 12,989.19 is: 19,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.48 : 33,508.89 = 12,989.19 : x
  2. Step 2: Convert to fraction form
    22,346.48/33,508.89 = 12,989.19/x
  3. Step 3: Cross multiply
    22,346.48x = 33,508.89 × 12,989.19
  4. Step 4: Simplify right side
    22,346.48x = 435,253,464.56
  5. Step 5: Solve for x
    x = 435,253,464.56/22,346.48
  6. Step 6: Final answer
    x = 19,477.49

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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.