Home / 11,553.80-17,330.70-4,159.40

Finding the Fourth Proportional to 11,553.80, 17,330.70 and 4,159.40

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Solution

The fourth proportional to 11,553.80, 17,330.70 and 4,159.40 is: 6,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.80 : 17,330.70 = 4,159.40 : x
  2. Step 2: Convert to fraction form
    11,553.80/17,330.70 = 4,159.40/x
  3. Step 3: Cross multiply
    11,553.80x = 17,330.70 × 4,159.40
  4. Step 4: Simplify right side
    11,553.80x = 72,085,313.58
  5. Step 5: Solve for x
    x = 72,085,313.58/11,553.80
  6. Step 6: Final answer
    x = 6,239.10

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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.