Home / 9,699.86-13,385.01-5,508.74

Finding the Fourth Proportional to 9,699.86, 13,385.01 and 5,508.74

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Solution

The fourth proportional to 9,699.86, 13,385.01 and 5,508.74 is: 7,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.86 : 13,385.01 = 5,508.74 : x
  2. Step 2: Convert to fraction form
    9,699.86/13,385.01 = 5,508.74/x
  3. Step 3: Cross multiply
    9,699.86x = 13,385.01 × 5,508.74
  4. Step 4: Simplify right side
    9,699.86x = 73,734,539.99
  5. Step 5: Solve for x
    x = 73,734,539.99/9,699.86
  6. Step 6: Final answer
    x = 7,601.61

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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.