Home / 18,663.81-25,756.62-10,166.49

Finding the Fourth Proportional to 18,663.81, 25,756.62 and 10,166.49

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Solution

The fourth proportional to 18,663.81, 25,756.62 and 10,166.49 is: 14,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.81 : 25,756.62 = 10,166.49 : x
  2. Step 2: Convert to fraction form
    18,663.81/25,756.62 = 10,166.49/x
  3. Step 3: Cross multiply
    18,663.81x = 25,756.62 × 10,166.49
  4. Step 4: Simplify right side
    18,663.81x = 261,854,419.66
  5. Step 5: Solve for x
    x = 261,854,419.66/18,663.81
  6. Step 6: Final answer
    x = 14,030.06

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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.