Home / 11,513.10-17,269.65-4,117.80

Finding the Fourth Proportional to 11,513.10, 17,269.65 and 4,117.80

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Solution

The fourth proportional to 11,513.10, 17,269.65 and 4,117.80 is: 6,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.10 : 17,269.65 = 4,117.80 : x
  2. Step 2: Convert to fraction form
    11,513.10/17,269.65 = 4,117.80/x
  3. Step 3: Cross multiply
    11,513.10x = 17,269.65 × 4,117.80
  4. Step 4: Simplify right side
    11,513.10x = 71,112,964.77
  5. Step 5: Solve for x
    x = 71,112,964.77/11,513.10
  6. Step 6: Final answer
    x = 6,176.70

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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.