Home / 15,829.78-23,756.29-7,509.76

Finding the Fourth Proportional to 15,829.78, 23,756.29 and 7,509.76

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Solution

The fourth proportional to 15,829.78, 23,756.29 and 7,509.76 is: 11,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.78 : 23,756.29 = 7,509.76 : x
  2. Step 2: Convert to fraction form
    15,829.78/23,756.29 = 7,509.76/x
  3. Step 3: Cross multiply
    15,829.78x = 23,756.29 × 7,509.76
  4. Step 4: Simplify right side
    15,829.78x = 178,404,091.85
  5. Step 5: Solve for x
    x = 178,404,091.85/15,829.78
  6. Step 6: Final answer
    x = 11,270.16

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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.