Home / 10,258.08-15,389.16-3,239.17

Finding the Fourth Proportional to 10,258.08, 15,389.16 and 3,239.17

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Solution

The fourth proportional to 10,258.08, 15,389.16 and 3,239.17 is: 4,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.08 : 15,389.16 = 3,239.17 : x
  2. Step 2: Convert to fraction form
    10,258.08/15,389.16 = 3,239.17/x
  3. Step 3: Cross multiply
    10,258.08x = 15,389.16 × 3,239.17
  4. Step 4: Simplify right side
    10,258.08x = 49,848,105.40
  5. Step 5: Solve for x
    x = 49,848,105.40/10,258.08
  6. Step 6: Final answer
    x = 4,859.40

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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.