Home / 18,943.74-28,379.24-10,598.46

Finding the Fourth Proportional to 18,943.74, 28,379.24 and 10,598.46

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Solution

The fourth proportional to 18,943.74, 28,379.24 and 10,598.46 is: 15,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.74 : 28,379.24 = 10,598.46 : x
  2. Step 2: Convert to fraction form
    18,943.74/28,379.24 = 10,598.46/x
  3. Step 3: Cross multiply
    18,943.74x = 28,379.24 × 10,598.46
  4. Step 4: Simplify right side
    18,943.74x = 300,776,239.97
  5. Step 5: Solve for x
    x = 300,776,239.97/18,943.74
  6. Step 6: Final answer
    x = 15,877.34

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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.