Home / 15,783.11-23,668.51-5,917.01

Finding the Fourth Proportional to 15,783.11, 23,668.51 and 5,917.01

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Solution

The fourth proportional to 15,783.11, 23,668.51 and 5,917.01 is: 8,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.11 : 23,668.51 = 5,917.01 : x
  2. Step 2: Convert to fraction form
    15,783.11/23,668.51 = 5,917.01/x
  3. Step 3: Cross multiply
    15,783.11x = 23,668.51 × 5,917.01
  4. Step 4: Simplify right side
    15,783.11x = 140,046,662.43
  5. Step 5: Solve for x
    x = 140,046,662.43/15,783.11
  6. Step 6: Final answer
    x = 8,873.20

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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.