Home / 11,548.78-15,937.31-6,243.59

Finding the Fourth Proportional to 11,548.78, 15,937.31 and 6,243.59

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Solution

The fourth proportional to 11,548.78, 15,937.31 and 6,243.59 is: 8,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.78 : 15,937.31 = 6,243.59 : x
  2. Step 2: Convert to fraction form
    11,548.78/15,937.31 = 6,243.59/x
  3. Step 3: Cross multiply
    11,548.78x = 15,937.31 × 6,243.59
  4. Step 4: Simplify right side
    11,548.78x = 99,506,029.34
  5. Step 5: Solve for x
    x = 99,506,029.34/11,548.78
  6. Step 6: Final answer
    x = 8,616.15

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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.