Home / 13,258.26-18,296.47-7,290.31

Finding the Fourth Proportional to 13,258.26, 18,296.47 and 7,290.31

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Solution

The fourth proportional to 13,258.26, 18,296.47 and 7,290.31 is: 10,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.26 : 18,296.47 = 7,290.31 : x
  2. Step 2: Convert to fraction form
    13,258.26/18,296.47 = 7,290.31/x
  3. Step 3: Cross multiply
    13,258.26x = 18,296.47 × 7,290.31
  4. Step 4: Simplify right side
    13,258.26x = 133,386,901.75
  5. Step 5: Solve for x
    x = 133,386,901.75/13,258.26
  6. Step 6: Final answer
    x = 10,060.67

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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.