Home / 12,304.92-18,458.46-3,985.14

Finding the Fourth Proportional to 12,304.92, 18,458.46 and 3,985.14

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Solution

The fourth proportional to 12,304.92, 18,458.46 and 3,985.14 is: 5,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.92 : 18,458.46 = 3,985.14 : x
  2. Step 2: Convert to fraction form
    12,304.92/18,458.46 = 3,985.14/x
  3. Step 3: Cross multiply
    12,304.92x = 18,458.46 × 3,985.14
  4. Step 4: Simplify right side
    12,304.92x = 73,559,547.28
  5. Step 5: Solve for x
    x = 73,559,547.28/12,304.92
  6. Step 6: Final answer
    x = 5,978.06

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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.