Home / 13,268.98-19,886.86-6,697.05

Finding the Fourth Proportional to 13,268.98, 19,886.86 and 6,697.05

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Solution

The fourth proportional to 13,268.98, 19,886.86 and 6,697.05 is: 10,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.98 : 19,886.86 = 6,697.05 : x
  2. Step 2: Convert to fraction form
    13,268.98/19,886.86 = 6,697.05/x
  3. Step 3: Cross multiply
    13,268.98x = 19,886.86 × 6,697.05
  4. Step 4: Simplify right side
    13,268.98x = 133,183,295.76
  5. Step 5: Solve for x
    x = 133,183,295.76/13,268.98
  6. Step 6: Final answer
    x = 10,037.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.