Home / 22,490.04-33,720.48-12,109.08

Finding the Fourth Proportional to 22,490.04, 33,720.48 and 12,109.08

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Solution

The fourth proportional to 22,490.04, 33,720.48 and 12,109.08 is: 18,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.04 : 33,720.48 = 12,109.08 : x
  2. Step 2: Convert to fraction form
    22,490.04/33,720.48 = 12,109.08/x
  3. Step 3: Cross multiply
    22,490.04x = 33,720.48 × 12,109.08
  4. Step 4: Simplify right side
    22,490.04x = 408,323,989.96
  5. Step 5: Solve for x
    x = 408,323,989.96/22,490.04
  6. Step 6: Final answer
    x = 18,155.77

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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.