Home / 13,258.34-18,296.58-7,289.90

Finding the Fourth Proportional to 13,258.34, 18,296.58 and 7,289.90

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Solution

The fourth proportional to 13,258.34, 18,296.58 and 7,289.90 is: 10,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.34 : 18,296.58 = 7,289.90 : x
  2. Step 2: Convert to fraction form
    13,258.34/18,296.58 = 7,289.90/x
  3. Step 3: Cross multiply
    13,258.34x = 18,296.58 × 7,289.90
  4. Step 4: Simplify right side
    13,258.34x = 133,380,238.54
  5. Step 5: Solve for x
    x = 133,380,238.54/13,258.34
  6. Step 6: Final answer
    x = 10,060.10

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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.