Home / 13,721.56-20,590.74-5,930.20

Finding the Fourth Proportional to 13,721.56, 20,590.74 and 5,930.20

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Solution

The fourth proportional to 13,721.56, 20,590.74 and 5,930.20 is: 8,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721.56 : 20,590.74 = 5,930.20 : x
  2. Step 2: Convert to fraction form
    13,721.56/20,590.74 = 5,930.20/x
  3. Step 3: Cross multiply
    13,721.56x = 20,590.74 × 5,930.20
  4. Step 4: Simplify right side
    13,721.56x = 122,107,206.35
  5. Step 5: Solve for x
    x = 122,107,206.35/13,721.56
  6. Step 6: Final answer
    x = 8,898.93

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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.