Home / 11,748.81-16,213.46-6,443.58

Finding the Fourth Proportional to 11,748.81, 16,213.46 and 6,443.58

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Solution

The fourth proportional to 11,748.81, 16,213.46 and 6,443.58 is: 8,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.81 : 16,213.46 = 6,443.58 : x
  2. Step 2: Convert to fraction form
    11,748.81/16,213.46 = 6,443.58/x
  3. Step 3: Cross multiply
    11,748.81x = 16,213.46 × 6,443.58
  4. Step 4: Simplify right side
    11,748.81x = 104,472,726.59
  5. Step 5: Solve for x
    x = 104,472,726.59/11,748.81
  6. Step 6: Final answer
    x = 8,892.20

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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.