Home / 11,809.33-17,715.93-3,490.18

Finding the Fourth Proportional to 11,809.33, 17,715.93 and 3,490.18

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Solution

The fourth proportional to 11,809.33, 17,715.93 and 3,490.18 is: 5,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.33 : 17,715.93 = 3,490.18 : x
  2. Step 2: Convert to fraction form
    11,809.33/17,715.93 = 3,490.18/x
  3. Step 3: Cross multiply
    11,809.33x = 17,715.93 × 3,490.18
  4. Step 4: Simplify right side
    11,809.33x = 61,831,784.57
  5. Step 5: Solve for x
    x = 61,831,784.57/11,809.33
  6. Step 6: Final answer
    x = 5,235.84

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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.