Home / 13,299.37-18,352.80-7,330.91

Finding the Fourth Proportional to 13,299.37, 18,352.80 and 7,330.91

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Solution

The fourth proportional to 13,299.37, 18,352.80 and 7,330.91 is: 10,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.37 : 18,352.80 = 7,330.91 : x
  2. Step 2: Convert to fraction form
    13,299.37/18,352.80 = 7,330.91/x
  3. Step 3: Cross multiply
    13,299.37x = 18,352.80 × 7,330.91
  4. Step 4: Simplify right side
    13,299.37x = 134,542,633.28
  5. Step 5: Solve for x
    x = 134,542,633.28/13,299.37
  6. Step 6: Final answer
    x = 10,116.47

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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.