Home / 11,043.61-15,240.58-6,328.80

Finding the Fourth Proportional to 11,043.61, 15,240.58 and 6,328.80

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Solution

The fourth proportional to 11,043.61, 15,240.58 and 6,328.80 is: 8,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.61 : 15,240.58 = 6,328.80 : x
  2. Step 2: Convert to fraction form
    11,043.61/15,240.58 = 6,328.80/x
  3. Step 3: Cross multiply
    11,043.61x = 15,240.58 × 6,328.80
  4. Step 4: Simplify right side
    11,043.61x = 96,454,582.70
  5. Step 5: Solve for x
    x = 96,454,582.70/11,043.61
  6. Step 6: Final answer
    x = 8,733.98

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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.