Home / 11,542.72-15,929.01-6,237.58

Finding the Fourth Proportional to 11,542.72, 15,929.01 and 6,237.58

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Solution

The fourth proportional to 11,542.72, 15,929.01 and 6,237.58 is: 8,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.72 : 15,929.01 = 6,237.58 : x
  2. Step 2: Convert to fraction form
    11,542.72/15,929.01 = 6,237.58/x
  3. Step 3: Cross multiply
    11,542.72x = 15,929.01 × 6,237.58
  4. Step 4: Simplify right side
    11,542.72x = 99,358,474.20
  5. Step 5: Solve for x
    x = 99,358,474.20/11,542.72
  6. Step 6: Final answer
    x = 8,607.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.