Home / 11,548.90-15,937.55-6,243.70

Finding the Fourth Proportional to 11,548.90, 15,937.55 and 6,243.70

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Solution

The fourth proportional to 11,548.90, 15,937.55 and 6,243.70 is: 8,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.90 : 15,937.55 = 6,243.70 : x
  2. Step 2: Convert to fraction form
    11,548.90/15,937.55 = 6,243.70/x
  3. Step 3: Cross multiply
    11,548.90x = 15,937.55 × 6,243.70
  4. Step 4: Simplify right side
    11,548.90x = 99,509,280.94
  5. Step 5: Solve for x
    x = 99,509,280.94/11,548.90
  6. Step 6: Final answer
    x = 8,616.34

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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.