Home / 10,465.14-15,695.97-3,445.23

Finding the Fourth Proportional to 10,465.14, 15,695.97 and 3,445.23

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Solution

The fourth proportional to 10,465.14, 15,695.97 and 3,445.23 is: 5,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.14 : 15,695.97 = 3,445.23 : x
  2. Step 2: Convert to fraction form
    10,465.14/15,695.97 = 3,445.23/x
  3. Step 3: Cross multiply
    10,465.14x = 15,695.97 × 3,445.23
  4. Step 4: Simplify right side
    10,465.14x = 54,076,226.72
  5. Step 5: Solve for x
    x = 54,076,226.72/10,465.14
  6. Step 6: Final answer
    x = 5,167.27

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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.