Home / 13,263.32-18,303.82-7,295.20

Finding the Fourth Proportional to 13,263.32, 18,303.82 and 7,295.20

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Solution

The fourth proportional to 13,263.32, 18,303.82 and 7,295.20 is: 10,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.32 : 18,303.82 = 7,295.20 : x
  2. Step 2: Convert to fraction form
    13,263.32/18,303.82 = 7,295.20/x
  3. Step 3: Cross multiply
    13,263.32x = 18,303.82 × 7,295.20
  4. Step 4: Simplify right side
    13,263.32x = 133,530,027.66
  5. Step 5: Solve for x
    x = 133,530,027.66/13,263.32
  6. Step 6: Final answer
    x = 10,067.62

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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.