Home / 17,764.70-26,603.85-13,358.30

Finding the Fourth Proportional to 17,764.70, 26,603.85 and 13,358.30

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Solution

The fourth proportional to 17,764.70, 26,603.85 and 13,358.30 is: 20,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764.70 : 26,603.85 = 13,358.30 : x
  2. Step 2: Convert to fraction form
    17,764.70/26,603.85 = 13,358.30/x
  3. Step 3: Cross multiply
    17,764.70x = 26,603.85 × 13,358.30
  4. Step 4: Simplify right side
    17,764.70x = 355,382,209.46
  5. Step 5: Solve for x
    x = 355,382,209.46/17,764.70
  6. Step 6: Final answer
    x = 20,004.97

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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.