Home / 18,733.14-28,136.16-13,783.23

Finding the Fourth Proportional to 18,733.14, 28,136.16 and 13,783.23

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Solution

The fourth proportional to 18,733.14, 28,136.16 and 13,783.23 is: 20,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.14 : 28,136.16 = 13,783.23 : x
  2. Step 2: Convert to fraction form
    18,733.14/28,136.16 = 13,783.23/x
  3. Step 3: Cross multiply
    18,733.14x = 28,136.16 × 13,783.23
  4. Step 4: Simplify right side
    18,733.14x = 387,807,164.60
  5. Step 5: Solve for x
    x = 387,807,164.60/18,733.14
  6. Step 6: Final answer
    x = 20,701.66

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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.