Home / 13,258.04-18,296.57-7,290.17

Finding the Fourth Proportional to 13,258.04, 18,296.57 and 7,290.17

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Solution

The fourth proportional to 13,258.04, 18,296.57 and 7,290.17 is: 10,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.04 : 18,296.57 = 7,290.17 : x
  2. Step 2: Convert to fraction form
    13,258.04/18,296.57 = 7,290.17/x
  3. Step 3: Cross multiply
    13,258.04x = 18,296.57 × 7,290.17
  4. Step 4: Simplify right side
    13,258.04x = 133,384,977.78
  5. Step 5: Solve for x
    x = 133,384,977.78/13,258.04
  6. Step 6: Final answer
    x = 10,060.69

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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.