Home / 10,185.71-15,280.18-4,342.37

Finding the Fourth Proportional to 10,185.71, 15,280.18 and 4,342.37

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Solution

The fourth proportional to 10,185.71, 15,280.18 and 4,342.37 is: 6,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.71 : 15,280.18 = 4,342.37 : x
  2. Step 2: Convert to fraction form
    10,185.71/15,280.18 = 4,342.37/x
  3. Step 3: Cross multiply
    10,185.71x = 15,280.18 × 4,342.37
  4. Step 4: Simplify right side
    10,185.71x = 66,352,107.97
  5. Step 5: Solve for x
    x = 66,352,107.97/10,185.71
  6. Step 6: Final answer
    x = 6,514.24

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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.