Home / 15,003.20-22,490.40-11,669.60

Finding the Fourth Proportional to 15,003.20, 22,490.40 and 11,669.60

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Solution

The fourth proportional to 15,003.20, 22,490.40 and 11,669.60 is: 17,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.20 : 22,490.40 = 11,669.60 : x
  2. Step 2: Convert to fraction form
    15,003.20/22,490.40 = 11,669.60/x
  3. Step 3: Cross multiply
    15,003.20x = 22,490.40 × 11,669.60
  4. Step 4: Simplify right side
    15,003.20x = 262,453,971.84
  5. Step 5: Solve for x
    x = 262,453,971.84/15,003.20
  6. Step 6: Final answer
    x = 17,493.20

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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.