Home / 15,556.65-23,337.53-5,709.75

Finding the Fourth Proportional to 15,556.65, 23,337.53 and 5,709.75

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Solution

The fourth proportional to 15,556.65, 23,337.53 and 5,709.75 is: 8,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.65 : 23,337.53 = 5,709.75 : x
  2. Step 2: Convert to fraction form
    15,556.65/23,337.53 = 5,709.75/x
  3. Step 3: Cross multiply
    15,556.65x = 23,337.53 × 5,709.75
  4. Step 4: Simplify right side
    15,556.65x = 133,251,461.92
  5. Step 5: Solve for x
    x = 133,251,461.92/15,556.65
  6. Step 6: Final answer
    x = 8,565.56

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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.