Home / 9,150.15-13,714.64-4,209.42

Finding the Fourth Proportional to 9,150.15, 13,714.64 and 4,209.42

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Solution

The fourth proportional to 9,150.15, 13,714.64 and 4,209.42 is: 6,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.15 : 13,714.64 = 4,209.42 : x
  2. Step 2: Convert to fraction form
    9,150.15/13,714.64 = 4,209.42/x
  3. Step 3: Cross multiply
    9,150.15x = 13,714.64 × 4,209.42
  4. Step 4: Simplify right side
    9,150.15x = 57,730,703.67
  5. Step 5: Solve for x
    x = 57,730,703.67/9,150.15
  6. Step 6: Final answer
    x = 6,309.26

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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.