Home / 13,505.67-18,620.96-10,322.91

Finding the Fourth Proportional to 13,505.67, 18,620.96 and 10,322.91

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Solution

The fourth proportional to 13,505.67, 18,620.96 and 10,322.91 is: 14,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.67 : 18,620.96 = 10,322.91 : x
  2. Step 2: Convert to fraction form
    13,505.67/18,620.96 = 10,322.91/x
  3. Step 3: Cross multiply
    13,505.67x = 18,620.96 × 10,322.91
  4. Step 4: Simplify right side
    13,505.67x = 192,222,442.58
  5. Step 5: Solve for x
    x = 192,222,442.58/13,505.67
  6. Step 6: Final answer
    x = 14,232.72

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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.