Home / 13,696.83-20,424.98-13,572.09

Finding the Fourth Proportional to 13,696.83, 20,424.98 and 13,572.09

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Solution

The fourth proportional to 13,696.83, 20,424.98 and 13,572.09 is: 20,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.83 : 20,424.98 = 13,572.09 : x
  2. Step 2: Convert to fraction form
    13,696.83/20,424.98 = 13,572.09/x
  3. Step 3: Cross multiply
    13,696.83x = 20,424.98 × 13,572.09
  4. Step 4: Simplify right side
    13,696.83x = 277,209,700.74
  5. Step 5: Solve for x
    x = 277,209,700.74/13,696.83
  6. Step 6: Final answer
    x = 20,238.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.