Home / 13,993.08-19,310.58-7,705.56

Finding the Fourth Proportional to 13,993.08, 19,310.58 and 7,705.56

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Solution

The fourth proportional to 13,993.08, 19,310.58 and 7,705.56 is: 10,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.08 : 19,310.58 = 7,705.56 : x
  2. Step 2: Convert to fraction form
    13,993.08/19,310.58 = 7,705.56/x
  3. Step 3: Cross multiply
    13,993.08x = 19,310.58 × 7,705.56
  4. Step 4: Simplify right side
    13,993.08x = 148,798,832.82
  5. Step 5: Solve for x
    x = 148,798,832.82/13,993.08
  6. Step 6: Final answer
    x = 10,633.74

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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.