Home / 13,523.12-18,660.84-7,554.32

Finding the Fourth Proportional to 13,523.12, 18,660.84 and 7,554.32

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Solution

The fourth proportional to 13,523.12, 18,660.84 and 7,554.32 is: 10,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.12 : 18,660.84 = 7,554.32 : x
  2. Step 2: Convert to fraction form
    13,523.12/18,660.84 = 7,554.32/x
  3. Step 3: Cross multiply
    13,523.12x = 18,660.84 × 7,554.32
  4. Step 4: Simplify right side
    13,523.12x = 140,969,956.83
  5. Step 5: Solve for x
    x = 140,969,956.83/13,523.12
  6. Step 6: Final answer
    x = 10,424.37

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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.