Home / 13,131.84-19,691.16-4,363.68

Finding the Fourth Proportional to 13,131.84, 19,691.16 and 4,363.68

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Solution

The fourth proportional to 13,131.84, 19,691.16 and 4,363.68 is: 6,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.84 : 19,691.16 = 4,363.68 : x
  2. Step 2: Convert to fraction form
    13,131.84/19,691.16 = 4,363.68/x
  3. Step 3: Cross multiply
    13,131.84x = 19,691.16 × 4,363.68
  4. Step 4: Simplify right side
    13,131.84x = 85,925,921.07
  5. Step 5: Solve for x
    x = 85,925,921.07/13,131.84
  6. Step 6: Final answer
    x = 6,543.33

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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.