Home / 14,262.11-19,691.40-8,886.71

Finding the Fourth Proportional to 14,262.11, 19,691.40 and 8,886.71

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Solution

The fourth proportional to 14,262.11, 19,691.40 and 8,886.71 is: 12,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.11 : 19,691.40 = 8,886.71 : x
  2. Step 2: Convert to fraction form
    14,262.11/19,691.40 = 8,886.71/x
  3. Step 3: Cross multiply
    14,262.11x = 19,691.40 × 8,886.71
  4. Step 4: Simplify right side
    14,262.11x = 174,991,662.84
  5. Step 5: Solve for x
    x = 174,991,662.84/14,262.11
  6. Step 6: Final answer
    x = 12,269.69

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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.