Home / 8,677.12-11,973.69-5,091.71

Finding the Fourth Proportional to 8,677.12, 11,973.69 and 5,091.71

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Solution

The fourth proportional to 8,677.12, 11,973.69 and 5,091.71 is: 7,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.12 : 11,973.69 = 5,091.71 : x
  2. Step 2: Convert to fraction form
    8,677.12/11,973.69 = 5,091.71/x
  3. Step 3: Cross multiply
    8,677.12x = 11,973.69 × 5,091.71
  4. Step 4: Simplify right side
    8,677.12x = 60,966,557.11
  5. Step 5: Solve for x
    x = 60,966,557.11/8,677.12
  6. Step 6: Final answer
    x = 7,026.13

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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.