Home / 13,553.32-18,703.62-7,584.60

Finding the Fourth Proportional to 13,553.32, 18,703.62 and 7,584.60

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Solution

The fourth proportional to 13,553.32, 18,703.62 and 7,584.60 is: 10,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.32 : 18,703.62 = 7,584.60 : x
  2. Step 2: Convert to fraction form
    13,553.32/18,703.62 = 7,584.60/x
  3. Step 3: Cross multiply
    13,553.32x = 18,703.62 × 7,584.60
  4. Step 4: Simplify right side
    13,553.32x = 141,859,476.25
  5. Step 5: Solve for x
    x = 141,859,476.25/13,553.32
  6. Step 6: Final answer
    x = 10,466.77

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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.