Home / 19,639.12-29,444.31-6,304.51

Finding the Fourth Proportional to 19,639.12, 29,444.31 and 6,304.51

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Solution

The fourth proportional to 19,639.12, 29,444.31 and 6,304.51 is: 9,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.12 : 29,444.31 = 6,304.51 : x
  2. Step 2: Convert to fraction form
    19,639.12/29,444.31 = 6,304.51/x
  3. Step 3: Cross multiply
    19,639.12x = 29,444.31 × 6,304.51
  4. Step 4: Simplify right side
    19,639.12x = 185,631,946.84
  5. Step 5: Solve for x
    x = 185,631,946.84/19,639.12
  6. Step 6: Final answer
    x = 9,452.15

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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.