Home / 13,699.36-20,549.16-4,339.22

Finding the Fourth Proportional to 13,699.36, 20,549.16 and 4,339.22

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Solution

The fourth proportional to 13,699.36, 20,549.16 and 4,339.22 is: 6,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.36 : 20,549.16 = 4,339.22 : x
  2. Step 2: Convert to fraction form
    13,699.36/20,549.16 = 4,339.22/x
  3. Step 3: Cross multiply
    13,699.36x = 20,549.16 × 4,339.22
  4. Step 4: Simplify right side
    13,699.36x = 89,167,326.06
  5. Step 5: Solve for x
    x = 89,167,326.06/13,699.36
  6. Step 6: Final answer
    x = 6,508.87

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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.