Home / 13,230.87-18,258.84-7,263.09

Finding the Fourth Proportional to 13,230.87, 18,258.84 and 7,263.09

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Solution

The fourth proportional to 13,230.87, 18,258.84 and 7,263.09 is: 10,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.87 : 18,258.84 = 7,263.09 : x
  2. Step 2: Convert to fraction form
    13,230.87/18,258.84 = 7,263.09/x
  3. Step 3: Cross multiply
    13,230.87x = 18,258.84 × 7,263.09
  4. Step 4: Simplify right side
    13,230.87x = 132,615,598.22
  5. Step 5: Solve for x
    x = 132,615,598.22/13,230.87
  6. Step 6: Final answer
    x = 10,023.20

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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.