Home / 13,118.04-18,104.58-7,529.04

Finding the Fourth Proportional to 13,118.04, 18,104.58 and 7,529.04

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Solution

The fourth proportional to 13,118.04, 18,104.58 and 7,529.04 is: 10,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.04 : 18,104.58 = 7,529.04 : x
  2. Step 2: Convert to fraction form
    13,118.04/18,104.58 = 7,529.04/x
  3. Step 3: Cross multiply
    13,118.04x = 18,104.58 × 7,529.04
  4. Step 4: Simplify right side
    13,118.04x = 136,310,107.00
  5. Step 5: Solve for x
    x = 136,310,107.00/13,118.04
  6. Step 6: Final answer
    x = 10,391.04

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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.