Home / 11,297.36-15,605.24-8,677.15

Finding the Fourth Proportional to 11,297.36, 15,605.24 and 8,677.15

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Solution

The fourth proportional to 11,297.36, 15,605.24 and 8,677.15 is: 11,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.36 : 15,605.24 = 8,677.15 : x
  2. Step 2: Convert to fraction form
    11,297.36/15,605.24 = 8,677.15/x
  3. Step 3: Cross multiply
    11,297.36x = 15,605.24 × 8,677.15
  4. Step 4: Simplify right side
    11,297.36x = 135,408,925.87
  5. Step 5: Solve for x
    x = 135,408,925.87/11,297.36
  6. Step 6: Final answer
    x = 11,985.89

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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.