Home / 9,331.95-13,999.91-3,091.61

Finding the Fourth Proportional to 9,331.95, 13,999.91 and 3,091.61

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Solution

The fourth proportional to 9,331.95, 13,999.91 and 3,091.61 is: 4,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.95 : 13,999.91 = 3,091.61 : x
  2. Step 2: Convert to fraction form
    9,331.95/13,999.91 = 3,091.61/x
  3. Step 3: Cross multiply
    9,331.95x = 13,999.91 × 3,091.61
  4. Step 4: Simplify right side
    9,331.95x = 43,282,281.30
  5. Step 5: Solve for x
    x = 43,282,281.30/9,331.95
  6. Step 6: Final answer
    x = 4,638.07

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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.