Home / 16,686.12-25,020.80-6,148.68

Finding the Fourth Proportional to 16,686.12, 25,020.80 and 6,148.68

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Solution

The fourth proportional to 16,686.12, 25,020.80 and 6,148.68 is: 9,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.12 : 25,020.80 = 6,148.68 : x
  2. Step 2: Convert to fraction form
    16,686.12/25,020.80 = 6,148.68/x
  3. Step 3: Cross multiply
    16,686.12x = 25,020.80 × 6,148.68
  4. Step 4: Simplify right side
    16,686.12x = 153,844,892.54
  5. Step 5: Solve for x
    x = 153,844,892.54/16,686.12
  6. Step 6: Final answer
    x = 9,219.93

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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.