Home / 13,625.12-18,809.06-9,152.03

Finding the Fourth Proportional to 13,625.12, 18,809.06 and 9,152.03

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Solution

The fourth proportional to 13,625.12, 18,809.06 and 9,152.03 is: 12,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.12 : 18,809.06 = 9,152.03 : x
  2. Step 2: Convert to fraction form
    13,625.12/18,809.06 = 9,152.03/x
  3. Step 3: Cross multiply
    13,625.12x = 18,809.06 × 9,152.03
  4. Step 4: Simplify right side
    13,625.12x = 172,140,941.59
  5. Step 5: Solve for x
    x = 172,140,941.59/13,625.12
  6. Step 6: Final answer
    x = 12,634.09

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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.