Home / 13,699.09-20,548.49-4,339.10

Finding the Fourth Proportional to 13,699.09, 20,548.49 and 4,339.10

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Solution

The fourth proportional to 13,699.09, 20,548.49 and 4,339.10 is: 6,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.09 : 20,548.49 = 4,339.10 : x
  2. Step 2: Convert to fraction form
    13,699.09/20,548.49 = 4,339.10/x
  3. Step 3: Cross multiply
    13,699.09x = 20,548.49 × 4,339.10
  4. Step 4: Simplify right side
    13,699.09x = 89,161,948.17
  5. Step 5: Solve for x
    x = 89,161,948.17/13,699.09
  6. Step 6: Final answer
    x = 6,508.61

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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.