Home / 18,821.99-28,224.05-10,926.93

Finding the Fourth Proportional to 18,821.99, 28,224.05 and 10,926.93

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Solution

The fourth proportional to 18,821.99, 28,224.05 and 10,926.93 is: 16,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.99 : 28,224.05 = 10,926.93 : x
  2. Step 2: Convert to fraction form
    18,821.99/28,224.05 = 10,926.93/x
  3. Step 3: Cross multiply
    18,821.99x = 28,224.05 × 10,926.93
  4. Step 4: Simplify right side
    18,821.99x = 308,402,164.03
  5. Step 5: Solve for x
    x = 308,402,164.03/18,821.99
  6. Step 6: Final answer
    x = 16,385.21

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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.