Home / 10,143.72-15,199.65-8,576.37

Finding the Fourth Proportional to 10,143.72, 15,199.65 and 8,576.37

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Solution

The fourth proportional to 10,143.72, 15,199.65 and 8,576.37 is: 12,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.72 : 15,199.65 = 8,576.37 : x
  2. Step 2: Convert to fraction form
    10,143.72/15,199.65 = 8,576.37/x
  3. Step 3: Cross multiply
    10,143.72x = 15,199.65 × 8,576.37
  4. Step 4: Simplify right side
    10,143.72x = 130,357,822.27
  5. Step 5: Solve for x
    x = 130,357,822.27/10,143.72
  6. Step 6: Final answer
    x = 12,851.09

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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.