Home / 18,783.09-28,187.39-10,024.16

Finding the Fourth Proportional to 18,783.09, 28,187.39 and 10,024.16

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Solution

The fourth proportional to 18,783.09, 28,187.39 and 10,024.16 is: 15,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.09 : 28,187.39 = 10,024.16 : x
  2. Step 2: Convert to fraction form
    18,783.09/28,187.39 = 10,024.16/x
  3. Step 3: Cross multiply
    18,783.09x = 28,187.39 × 10,024.16
  4. Step 4: Simplify right side
    18,783.09x = 282,554,791.47
  5. Step 5: Solve for x
    x = 282,554,791.47/18,783.09
  6. Step 6: Final answer
    x = 15,043.04

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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.