Home / 14,500.08-20,019.74-11,136.87

Finding the Fourth Proportional to 14,500.08, 20,019.74 and 11,136.87

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Solution

The fourth proportional to 14,500.08, 20,019.74 and 11,136.87 is: 15,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.08 : 20,019.74 = 11,136.87 : x
  2. Step 2: Convert to fraction form
    14,500.08/20,019.74 = 11,136.87/x
  3. Step 3: Cross multiply
    14,500.08x = 20,019.74 × 11,136.87
  4. Step 4: Simplify right side
    14,500.08x = 222,957,186.13
  5. Step 5: Solve for x
    x = 222,957,186.13/14,500.08
  6. Step 6: Final answer
    x = 15,376.27

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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.