Home / 11,726.65-16,182.96-6,421.37

Finding the Fourth Proportional to 11,726.65, 16,182.96 and 6,421.37

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Solution

The fourth proportional to 11,726.65, 16,182.96 and 6,421.37 is: 8,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.65 : 16,182.96 = 6,421.37 : x
  2. Step 2: Convert to fraction form
    11,726.65/16,182.96 = 6,421.37/x
  3. Step 3: Cross multiply
    11,726.65x = 16,182.96 × 6,421.37
  4. Step 4: Simplify right side
    11,726.65x = 103,916,773.86
  5. Step 5: Solve for x
    x = 103,916,773.86/11,726.65
  6. Step 6: Final answer
    x = 8,861.59

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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.