Home / 18,295.23-27,423.59-10,387.83

Finding the Fourth Proportional to 18,295.23, 27,423.59 and 10,387.83

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Solution

The fourth proportional to 18,295.23, 27,423.59 and 10,387.83 is: 15,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.23 : 27,423.59 = 10,387.83 : x
  2. Step 2: Convert to fraction form
    18,295.23/27,423.59 = 10,387.83/x
  3. Step 3: Cross multiply
    18,295.23x = 27,423.59 × 10,387.83
  4. Step 4: Simplify right side
    18,295.23x = 284,871,538.97
  5. Step 5: Solve for x
    x = 284,871,538.97/18,295.23
  6. Step 6: Final answer
    x = 15,570.81

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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.