Home / 13,258.13-18,296.64-7,290.23

Finding the Fourth Proportional to 13,258.13, 18,296.64 and 7,290.23

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Solution

The fourth proportional to 13,258.13, 18,296.64 and 7,290.23 is: 10,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.13 : 18,296.64 = 7,290.23 : x
  2. Step 2: Convert to fraction form
    13,258.13/18,296.64 = 7,290.23/x
  3. Step 3: Cross multiply
    13,258.13x = 18,296.64 × 7,290.23
  4. Step 4: Simplify right side
    13,258.13x = 133,386,622.34
  5. Step 5: Solve for x
    x = 133,386,622.34/13,258.13
  6. Step 6: Final answer
    x = 10,060.75

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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.