Home / 13,126.48-19,693.63-6,110.64

Finding the Fourth Proportional to 13,126.48, 19,693.63 and 6,110.64

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Solution

The fourth proportional to 13,126.48, 19,693.63 and 6,110.64 is: 9,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.48 : 19,693.63 = 6,110.64 : x
  2. Step 2: Convert to fraction form
    13,126.48/19,693.63 = 6,110.64/x
  3. Step 3: Cross multiply
    13,126.48x = 19,693.63 × 6,110.64
  4. Step 4: Simplify right side
    13,126.48x = 120,340,690.86
  5. Step 5: Solve for x
    x = 120,340,690.86/13,126.48
  6. Step 6: Final answer
    x = 9,167.78

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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.