Home / 9,699.26-13,384.34-5,720.18

Finding the Fourth Proportional to 9,699.26, 13,384.34 and 5,720.18

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Solution

The fourth proportional to 9,699.26, 13,384.34 and 5,720.18 is: 7,893.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.26 : 13,384.34 = 5,720.18 : x
  2. Step 2: Convert to fraction form
    9,699.26/13,384.34 = 5,720.18/x
  3. Step 3: Cross multiply
    9,699.26x = 13,384.34 × 5,720.18
  4. Step 4: Simplify right side
    9,699.26x = 76,560,833.98
  5. Step 5: Solve for x
    x = 76,560,833.98/9,699.26
  6. Step 6: Final answer
    x = 7,893.47

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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.