Home / 9,318.01-12,858.75-6,938.62

Finding the Fourth Proportional to 9,318.01, 12,858.75 and 6,938.62

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Solution

The fourth proportional to 9,318.01, 12,858.75 and 6,938.62 is: 9,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.01 : 12,858.75 = 6,938.62 : x
  2. Step 2: Convert to fraction form
    9,318.01/12,858.75 = 6,938.62/x
  3. Step 3: Cross multiply
    9,318.01x = 12,858.75 × 6,938.62
  4. Step 4: Simplify right side
    9,318.01x = 89,221,986.05
  5. Step 5: Solve for x
    x = 89,221,986.05/9,318.01
  6. Step 6: Final answer
    x = 9,575.22

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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.