Home / 11,705.07-17,557.53-3,913.81

Finding the Fourth Proportional to 11,705.07, 17,557.53 and 3,913.81

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Solution

The fourth proportional to 11,705.07, 17,557.53 and 3,913.81 is: 5,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.07 : 17,557.53 = 3,913.81 : x
  2. Step 2: Convert to fraction form
    11,705.07/17,557.53 = 3,913.81/x
  3. Step 3: Cross multiply
    11,705.07x = 17,557.53 × 3,913.81
  4. Step 4: Simplify right side
    11,705.07x = 68,716,836.49
  5. Step 5: Solve for x
    x = 68,716,836.49/11,705.07
  6. Step 6: Final answer
    x = 5,870.69

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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.