Home / 10,574.90-15,863.43-3,648.50

Finding the Fourth Proportional to 10,574.90, 15,863.43 and 3,648.50

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Solution

The fourth proportional to 10,574.90, 15,863.43 and 3,648.50 is: 5,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.90 : 15,863.43 = 3,648.50 : x
  2. Step 2: Convert to fraction form
    10,574.90/15,863.43 = 3,648.50/x
  3. Step 3: Cross multiply
    10,574.90x = 15,863.43 × 3,648.50
  4. Step 4: Simplify right side
    10,574.90x = 57,877,724.36
  5. Step 5: Solve for x
    x = 57,877,724.36/10,574.90
  6. Step 6: Final answer
    x = 5,473.12

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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.