Home / 9,699.08-13,385.22-5,508.68

Finding the Fourth Proportional to 9,699.08, 13,385.22 and 5,508.68

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Solution

The fourth proportional to 9,699.08, 13,385.22 and 5,508.68 is: 7,602.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.08 : 13,385.22 = 5,508.68 : x
  2. Step 2: Convert to fraction form
    9,699.08/13,385.22 = 5,508.68/x
  3. Step 3: Cross multiply
    9,699.08x = 13,385.22 × 5,508.68
  4. Step 4: Simplify right side
    9,699.08x = 73,734,893.71
  5. Step 5: Solve for x
    x = 73,734,893.71/9,699.08
  6. Step 6: Final answer
    x = 7,602.26

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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.