Home / 13,184.59-19,781.75-6,944.35

Finding the Fourth Proportional to 13,184.59, 19,781.75 and 6,944.35

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Solution

The fourth proportional to 13,184.59, 19,781.75 and 6,944.35 is: 10,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.59 : 19,781.75 = 6,944.35 : x
  2. Step 2: Convert to fraction form
    13,184.59/19,781.75 = 6,944.35/x
  3. Step 3: Cross multiply
    13,184.59x = 19,781.75 × 6,944.35
  4. Step 4: Simplify right side
    13,184.59x = 137,371,395.61
  5. Step 5: Solve for x
    x = 137,371,395.61/13,184.59
  6. Step 6: Final answer
    x = 10,419.09

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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.