Home / 13,258.69-18,296.99-7,290.77

Finding the Fourth Proportional to 13,258.69, 18,296.99 and 7,290.77

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Solution

The fourth proportional to 13,258.69, 18,296.99 and 7,290.77 is: 10,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.69 : 18,296.99 = 7,290.77 : x
  2. Step 2: Convert to fraction form
    13,258.69/18,296.99 = 7,290.77/x
  3. Step 3: Cross multiply
    13,258.69x = 18,296.99 × 7,290.77
  4. Step 4: Simplify right side
    13,258.69x = 133,399,072.52
  5. Step 5: Solve for x
    x = 133,399,072.52/13,258.69
  6. Step 6: Final answer
    x = 10,061.26

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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.