Home / 9,431.48-13,008.14-6,912.64

Finding the Fourth Proportional to 9,431.48, 13,008.14 and 6,912.64

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Solution

The fourth proportional to 9,431.48, 13,008.14 and 6,912.64 is: 9,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.48 : 13,008.14 = 6,912.64 : x
  2. Step 2: Convert to fraction form
    9,431.48/13,008.14 = 6,912.64/x
  3. Step 3: Cross multiply
    9,431.48x = 13,008.14 × 6,912.64
  4. Step 4: Simplify right side
    9,431.48x = 89,920,588.89
  5. Step 5: Solve for x
    x = 89,920,588.89/9,431.48
  6. Step 6: Final answer
    x = 9,534.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.