Home / 13,935.00-20,909.68-9,258.23

Finding the Fourth Proportional to 13,935.00, 20,909.68 and 9,258.23

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Solution

The fourth proportional to 13,935.00, 20,909.68 and 9,258.23 is: 13,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.00 : 20,909.68 = 9,258.23 : x
  2. Step 2: Convert to fraction form
    13,935.00/20,909.68 = 9,258.23/x
  3. Step 3: Cross multiply
    13,935.00x = 20,909.68 × 9,258.23
  4. Step 4: Simplify right side
    13,935.00x = 193,586,655.80
  5. Step 5: Solve for x
    x = 193,586,655.80/13,935.00
  6. Step 6: Final answer
    x = 13,892.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.