Home / 9,331.32-13,999.14-4,138.68

Finding the Fourth Proportional to 9,331.32, 13,999.14 and 4,138.68

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Solution

The fourth proportional to 9,331.32, 13,999.14 and 4,138.68 is: 6,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.32 : 13,999.14 = 4,138.68 : x
  2. Step 2: Convert to fraction form
    9,331.32/13,999.14 = 4,138.68/x
  3. Step 3: Cross multiply
    9,331.32x = 13,999.14 × 4,138.68
  4. Step 4: Simplify right side
    9,331.32x = 57,937,960.74
  5. Step 5: Solve for x
    x = 57,937,960.74/9,331.32
  6. Step 6: Final answer
    x = 6,208.98

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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.