Home / 13,305.24-19,965.61-7,387.08

Finding the Fourth Proportional to 13,305.24, 19,965.61 and 7,387.08

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Solution

The fourth proportional to 13,305.24, 19,965.61 and 7,387.08 is: 11,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.24 : 19,965.61 = 7,387.08 : x
  2. Step 2: Convert to fraction form
    13,305.24/19,965.61 = 7,387.08/x
  3. Step 3: Cross multiply
    13,305.24x = 19,965.61 × 7,387.08
  4. Step 4: Simplify right side
    13,305.24x = 147,487,558.32
  5. Step 5: Solve for x
    x = 147,487,558.32/13,305.24
  6. Step 6: Final answer
    x = 11,084.92

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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.