Home / 9,355.13-14,032.85-3,115.05

Finding the Fourth Proportional to 9,355.13, 14,032.85 and 3,115.05

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Solution

The fourth proportional to 9,355.13, 14,032.85 and 3,115.05 is: 4,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.13 : 14,032.85 = 3,115.05 : x
  2. Step 2: Convert to fraction form
    9,355.13/14,032.85 = 3,115.05/x
  3. Step 3: Cross multiply
    9,355.13x = 14,032.85 × 3,115.05
  4. Step 4: Simplify right side
    9,355.13x = 43,713,029.39
  5. Step 5: Solve for x
    x = 43,713,029.39/9,355.13
  6. Step 6: Final answer
    x = 4,672.63

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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.