Home / 11,726.24-16,182.18-6,421.05

Finding the Fourth Proportional to 11,726.24, 16,182.18 and 6,421.05

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Solution

The fourth proportional to 11,726.24, 16,182.18 and 6,421.05 is: 8,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.24 : 16,182.18 = 6,421.05 : x
  2. Step 2: Convert to fraction form
    11,726.24/16,182.18 = 6,421.05/x
  3. Step 3: Cross multiply
    11,726.24x = 16,182.18 × 6,421.05
  4. Step 4: Simplify right side
    11,726.24x = 103,906,586.89
  5. Step 5: Solve for x
    x = 103,906,586.89/11,726.24
  6. Step 6: Final answer
    x = 8,861.04

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Half scale
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Double scale
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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.