Home / 9,321.51-13,982.25-6,390.93

Finding the Fourth Proportional to 9,321.51, 13,982.25 and 6,390.93

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Solution

The fourth proportional to 9,321.51, 13,982.25 and 6,390.93 is: 9,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.51 : 13,982.25 = 6,390.93 : x
  2. Step 2: Convert to fraction form
    9,321.51/13,982.25 = 6,390.93/x
  3. Step 3: Cross multiply
    9,321.51x = 13,982.25 × 6,390.93
  4. Step 4: Simplify right side
    9,321.51x = 89,359,580.99
  5. Step 5: Solve for x
    x = 89,359,580.99/9,321.51
  6. Step 6: Final answer
    x = 9,586.38

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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.