Home / 11,877.00-16,390.05-6,841.19

Finding the Fourth Proportional to 11,877.00, 16,390.05 and 6,841.19

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Solution

The fourth proportional to 11,877.00, 16,390.05 and 6,841.19 is: 9,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.00 : 16,390.05 = 6,841.19 : x
  2. Step 2: Convert to fraction form
    11,877.00/16,390.05 = 6,841.19/x
  3. Step 3: Cross multiply
    11,877.00x = 16,390.05 × 6,841.19
  4. Step 4: Simplify right side
    11,877.00x = 112,127,461.48
  5. Step 5: Solve for x
    x = 112,127,461.48/11,877.00
  6. Step 6: Final answer
    x = 9,440.73

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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.