Home / 13,529.30-18,670.12-7,562.13

Finding the Fourth Proportional to 13,529.30, 18,670.12 and 7,562.13

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Solution

The fourth proportional to 13,529.30, 18,670.12 and 7,562.13 is: 10,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.30 : 18,670.12 = 7,562.13 : x
  2. Step 2: Convert to fraction form
    13,529.30/18,670.12 = 7,562.13/x
  3. Step 3: Cross multiply
    13,529.30x = 18,670.12 × 7,562.13
  4. Step 4: Simplify right side
    13,529.30x = 141,185,874.56
  5. Step 5: Solve for x
    x = 141,185,874.56/13,529.30
  6. Step 6: Final answer
    x = 10,435.56

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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.