Home / 13,297.12-18,348.54-7,630.36

Finding the Fourth Proportional to 13,297.12, 18,348.54 and 7,630.36

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Solution

The fourth proportional to 13,297.12, 18,348.54 and 7,630.36 is: 10,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.12 : 18,348.54 = 7,630.36 : x
  2. Step 2: Convert to fraction form
    13,297.12/18,348.54 = 7,630.36/x
  3. Step 3: Cross multiply
    13,297.12x = 18,348.54 × 7,630.36
  4. Step 4: Simplify right side
    13,297.12x = 140,005,965.67
  5. Step 5: Solve for x
    x = 140,005,965.67/13,297.12
  6. Step 6: Final answer
    x = 10,529.04

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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.