Home / 13,258.56-18,297.04-7,290.48

Finding the Fourth Proportional to 13,258.56, 18,297.04 and 7,290.48

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Solution

The fourth proportional to 13,258.56, 18,297.04 and 7,290.48 is: 10,060.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.56 : 18,297.04 = 7,290.48 : x
  2. Step 2: Convert to fraction form
    13,258.56/18,297.04 = 7,290.48/x
  3. Step 3: Cross multiply
    13,258.56x = 18,297.04 × 7,290.48
  4. Step 4: Simplify right side
    13,258.56x = 133,394,204.18
  5. Step 5: Solve for x
    x = 133,394,204.18/13,258.56
  6. Step 6: Final answer
    x = 10,060.99

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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.