Home / 13,098.40-18,072.83-10,982.47

Finding the Fourth Proportional to 13,098.40, 18,072.83 and 10,982.47

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Solution

The fourth proportional to 13,098.40, 18,072.83 and 10,982.47 is: 15,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.40 : 18,072.83 = 10,982.47 : x
  2. Step 2: Convert to fraction form
    13,098.40/18,072.83 = 10,982.47/x
  3. Step 3: Cross multiply
    13,098.40x = 18,072.83 × 10,982.47
  4. Step 4: Simplify right side
    13,098.40x = 198,484,313.29
  5. Step 5: Solve for x
    x = 198,484,313.29/13,098.40
  6. Step 6: Final answer
    x = 15,153.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.