Home / 14,498.86-20,019.73-11,136.35

Finding the Fourth Proportional to 14,498.86, 20,019.73 and 11,136.35

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Solution

The fourth proportional to 14,498.86, 20,019.73 and 11,136.35 is: 15,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.86 : 20,019.73 = 11,136.35 : x
  2. Step 2: Convert to fraction form
    14,498.86/20,019.73 = 11,136.35/x
  3. Step 3: Cross multiply
    14,498.86x = 20,019.73 × 11,136.35
  4. Step 4: Simplify right side
    14,498.86x = 222,946,620.09
  5. Step 5: Solve for x
    x = 222,946,620.09/14,498.86
  6. Step 6: Final answer
    x = 15,376.84

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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.