Home / 13,626.12-18,810.44-9,153.03

Finding the Fourth Proportional to 13,626.12, 18,810.44 and 9,153.03

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Solution

The fourth proportional to 13,626.12, 18,810.44 and 9,153.03 is: 12,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.12 : 18,810.44 = 9,153.03 : x
  2. Step 2: Convert to fraction form
    13,626.12/18,810.44 = 9,153.03/x
  3. Step 3: Cross multiply
    13,626.12x = 18,810.44 × 9,153.03
  4. Step 4: Simplify right side
    13,626.12x = 172,172,521.63
  5. Step 5: Solve for x
    x = 172,172,521.63/13,626.12
  6. Step 6: Final answer
    x = 12,635.48

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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.