Home / 9,433.72-13,015.08-6,605.56

Finding the Fourth Proportional to 9,433.72, 13,015.08 and 6,605.56

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Solution

The fourth proportional to 9,433.72, 13,015.08 and 6,605.56 is: 9,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,433.72 : 13,015.08 = 6,605.56 : x
  2. Step 2: Convert to fraction form
    9,433.72/13,015.08 = 6,605.56/x
  3. Step 3: Cross multiply
    9,433.72x = 13,015.08 × 6,605.56
  4. Step 4: Simplify right side
    9,433.72x = 85,971,891.84
  5. Step 5: Solve for x
    x = 85,971,891.84/9,433.72
  6. Step 6: Final answer
    x = 9,113.25

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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.