Home / 9,415.08-14,118.13-3,487.90

Finding the Fourth Proportional to 9,415.08, 14,118.13 and 3,487.90

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Solution

The fourth proportional to 9,415.08, 14,118.13 and 3,487.90 is: 5,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.08 : 14,118.13 = 3,487.90 : x
  2. Step 2: Convert to fraction form
    9,415.08/14,118.13 = 3,487.90/x
  3. Step 3: Cross multiply
    9,415.08x = 14,118.13 × 3,487.90
  4. Step 4: Simplify right side
    9,415.08x = 49,242,625.63
  5. Step 5: Solve for x
    x = 49,242,625.63/9,415.08
  6. Step 6: Final answer
    x = 5,230.19

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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.