Home / 11,545.98-15,933.46-6,240.80

Finding the Fourth Proportional to 11,545.98, 15,933.46 and 6,240.80

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Solution

The fourth proportional to 11,545.98, 15,933.46 and 6,240.80 is: 8,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.98 : 15,933.46 = 6,240.80 : x
  2. Step 2: Convert to fraction form
    11,545.98/15,933.46 = 6,240.80/x
  3. Step 3: Cross multiply
    11,545.98x = 15,933.46 × 6,240.80
  4. Step 4: Simplify right side
    11,545.98x = 99,437,483.48
  5. Step 5: Solve for x
    x = 99,437,483.48/11,545.98
  6. Step 6: Final answer
    x = 8,612.31

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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.