Home / 9,431.32-14,132.40-6,954.36

Finding the Fourth Proportional to 9,431.32, 14,132.40 and 6,954.36

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Solution

The fourth proportional to 9,431.32, 14,132.40 and 6,954.36 is: 10,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.32 : 14,132.40 = 6,954.36 : x
  2. Step 2: Convert to fraction form
    9,431.32/14,132.40 = 6,954.36/x
  3. Step 3: Cross multiply
    9,431.32x = 14,132.40 × 6,954.36
  4. Step 4: Simplify right side
    9,431.32x = 98,281,797.26
  5. Step 5: Solve for x
    x = 98,281,797.26/9,431.32
  6. Step 6: Final answer
    x = 10,420.79

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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.