Home / 11,781.52-16,259.40-6,814.48

Finding the Fourth Proportional to 11,781.52, 16,259.40 and 6,814.48

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Solution

The fourth proportional to 11,781.52, 16,259.40 and 6,814.48 is: 9,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.52 : 16,259.40 = 6,814.48 : x
  2. Step 2: Convert to fraction form
    11,781.52/16,259.40 = 6,814.48/x
  3. Step 3: Cross multiply
    11,781.52x = 16,259.40 × 6,814.48
  4. Step 4: Simplify right side
    11,781.52x = 110,799,356.11
  5. Step 5: Solve for x
    x = 110,799,356.11/11,781.52
  6. Step 6: Final answer
    x = 9,404.50

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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.