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Finding the Fourth Proportional to 12,924.17, 17,835.29 and 7,258.92

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Solution

The fourth proportional to 12,924.17, 17,835.29 and 7,258.92 is: 10,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.17 : 17,835.29 = 7,258.92 : x
  2. Step 2: Convert to fraction form
    12,924.17/17,835.29 = 7,258.92/x
  3. Step 3: Cross multiply
    12,924.17x = 17,835.29 × 7,258.92
  4. Step 4: Simplify right side
    12,924.17x = 129,464,943.29
  5. Step 5: Solve for x
    x = 129,464,943.29/12,924.17
  6. Step 6: Final answer
    x = 10,017.27

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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.