Home / 11,205.83-15,463.08-6,490.41

Finding the Fourth Proportional to 11,205.83, 15,463.08 and 6,490.41

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Solution

The fourth proportional to 11,205.83, 15,463.08 and 6,490.41 is: 8,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.83 : 15,463.08 = 6,490.41 : x
  2. Step 2: Convert to fraction form
    11,205.83/15,463.08 = 6,490.41/x
  3. Step 3: Cross multiply
    11,205.83x = 15,463.08 × 6,490.41
  4. Step 4: Simplify right side
    11,205.83x = 100,361,729.06
  5. Step 5: Solve for x
    x = 100,361,729.06/11,205.83
  6. Step 6: Final answer
    x = 8,956.21

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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.