Home / 13,258.41-18,296.68-7,290.47

Finding the Fourth Proportional to 13,258.41, 18,296.68 and 7,290.47

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Solution

The fourth proportional to 13,258.41, 18,296.68 and 7,290.47 is: 10,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.41 : 18,296.68 = 7,290.47 : x
  2. Step 2: Convert to fraction form
    13,258.41/18,296.68 = 7,290.47/x
  3. Step 3: Cross multiply
    13,258.41x = 18,296.68 × 7,290.47
  4. Step 4: Simplify right side
    13,258.41x = 133,391,369.21
  5. Step 5: Solve for x
    x = 133,391,369.21/13,258.41
  6. Step 6: Final answer
    x = 10,060.88

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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.