Home / 17,840.20-26,734.70-13,123.40

Finding the Fourth Proportional to 17,840.20, 26,734.70 and 13,123.40

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Solution

The fourth proportional to 17,840.20, 26,734.70 and 13,123.40 is: 19,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,840.20 : 26,734.70 = 13,123.40 : x
  2. Step 2: Convert to fraction form
    17,840.20/26,734.70 = 13,123.40/x
  3. Step 3: Cross multiply
    17,840.20x = 26,734.70 × 13,123.40
  4. Step 4: Simplify right side
    17,840.20x = 350,850,161.98
  5. Step 5: Solve for x
    x = 350,850,161.98/17,840.20
  6. Step 6: Final answer
    x = 19,666.27

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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.