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Finding the Fourth Proportional to 13,035.59, 17,964.99 and 9,258.92

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Solution

The fourth proportional to 13,035.59, 17,964.99 and 9,258.92 is: 12,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.59 : 17,964.99 = 9,258.92 : x
  2. Step 2: Convert to fraction form
    13,035.59/17,964.99 = 9,258.92/x
  3. Step 3: Cross multiply
    13,035.59x = 17,964.99 × 9,258.92
  4. Step 4: Simplify right side
    13,035.59x = 166,336,405.21
  5. Step 5: Solve for x
    x = 166,336,405.21/13,035.59
  6. Step 6: Final answer
    x = 12,760.17

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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.