Home / 12,716.81-17,545.57-7,410.61

Finding the Fourth Proportional to 12,716.81, 17,545.57 and 7,410.61

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Solution

The fourth proportional to 12,716.81, 17,545.57 and 7,410.61 is: 10,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.81 : 17,545.57 = 7,410.61 : x
  2. Step 2: Convert to fraction form
    12,716.81/17,545.57 = 7,410.61/x
  3. Step 3: Cross multiply
    12,716.81x = 17,545.57 × 7,410.61
  4. Step 4: Simplify right side
    12,716.81x = 130,023,376.50
  5. Step 5: Solve for x
    x = 130,023,376.50/12,716.81
  6. Step 6: Final answer
    x = 10,224.53

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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.