Home / 11,513.40-17,266.05-4,118.10

Finding the Fourth Proportional to 11,513.40, 17,266.05 and 4,118.10

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Solution

The fourth proportional to 11,513.40, 17,266.05 and 4,118.10 is: 6,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.40 : 17,266.05 = 4,118.10 : x
  2. Step 2: Convert to fraction form
    11,513.40/17,266.05 = 4,118.10/x
  3. Step 3: Cross multiply
    11,513.40x = 17,266.05 × 4,118.10
  4. Step 4: Simplify right side
    11,513.40x = 71,103,320.51
  5. Step 5: Solve for x
    x = 71,103,320.51/11,513.40
  6. Step 6: Final answer
    x = 6,175.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.