Home / 15,596.42-21,545.82-13,496.90

Finding the Fourth Proportional to 15,596.42, 21,545.82 and 13,496.90

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Solution

The fourth proportional to 15,596.42, 21,545.82 and 13,496.90 is: 18,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.42 : 21,545.82 = 13,496.90 : x
  2. Step 2: Convert to fraction form
    15,596.42/21,545.82 = 13,496.90/x
  3. Step 3: Cross multiply
    15,596.42x = 21,545.82 × 13,496.90
  4. Step 4: Simplify right side
    15,596.42x = 290,801,670.23
  5. Step 5: Solve for x
    x = 290,801,670.23/15,596.42
  6. Step 6: Final answer
    x = 18,645.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.