Home / 13,660.46-18,853.24-7,693.30

Finding the Fourth Proportional to 13,660.46, 18,853.24 and 7,693.30

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Solution

The fourth proportional to 13,660.46, 18,853.24 and 7,693.30 is: 10,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.46 : 18,853.24 = 7,693.30 : x
  2. Step 2: Convert to fraction form
    13,660.46/18,853.24 = 7,693.30/x
  3. Step 3: Cross multiply
    13,660.46x = 18,853.24 × 7,693.30
  4. Step 4: Simplify right side
    13,660.46x = 145,043,631.29
  5. Step 5: Solve for x
    x = 145,043,631.29/13,660.46
  6. Step 6: Final answer
    x = 10,617.77

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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.