Home / 12,258.84-18,372.10-4,859.26

Finding the Fourth Proportional to 12,258.84, 18,372.10 and 4,859.26

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Solution

The fourth proportional to 12,258.84, 18,372.10 and 4,859.26 is: 7,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.84 : 18,372.10 = 4,859.26 : x
  2. Step 2: Convert to fraction form
    12,258.84/18,372.10 = 4,859.26/x
  3. Step 3: Cross multiply
    12,258.84x = 18,372.10 × 4,859.26
  4. Step 4: Simplify right side
    12,258.84x = 89,274,810.65
  5. Step 5: Solve for x
    x = 89,274,810.65/12,258.84
  6. Step 6: Final answer
    x = 7,282.48

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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.