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Finding the Fourth Proportional to 15,873.75, 23,807.90 and 7,441.11

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Solution

The fourth proportional to 15,873.75, 23,807.90 and 7,441.11 is: 11,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.75 : 23,807.90 = 7,441.11 : x
  2. Step 2: Convert to fraction form
    15,873.75/23,807.90 = 7,441.11/x
  3. Step 3: Cross multiply
    15,873.75x = 23,807.90 × 7,441.11
  4. Step 4: Simplify right side
    15,873.75x = 177,157,221.37
  5. Step 5: Solve for x
    x = 177,157,221.37/15,873.75
  6. Step 6: Final answer
    x = 11,160.39

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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.