Home / 9,140.24-13,715.82-8,396.66

Finding the Fourth Proportional to 9,140.24, 13,715.82 and 8,396.66

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Solution

The fourth proportional to 9,140.24, 13,715.82 and 8,396.66 is: 12,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.24 : 13,715.82 = 8,396.66 : x
  2. Step 2: Convert to fraction form
    9,140.24/13,715.82 = 8,396.66/x
  3. Step 3: Cross multiply
    9,140.24x = 13,715.82 × 8,396.66
  4. Step 4: Simplify right side
    9,140.24x = 115,167,077.16
  5. Step 5: Solve for x
    x = 115,167,077.16/9,140.24
  6. Step 6: Final answer
    x = 12,600.01

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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.