Home / 13,763.08-18,992.46-7,475.32

Finding the Fourth Proportional to 13,763.08, 18,992.46 and 7,475.32

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Solution

The fourth proportional to 13,763.08, 18,992.46 and 7,475.32 is: 10,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.08 : 18,992.46 = 7,475.32 : x
  2. Step 2: Convert to fraction form
    13,763.08/18,992.46 = 7,475.32/x
  3. Step 3: Cross multiply
    13,763.08x = 18,992.46 × 7,475.32
  4. Step 4: Simplify right side
    13,763.08x = 141,974,716.09
  5. Step 5: Solve for x
    x = 141,974,716.09/13,763.08
  6. Step 6: Final answer
    x = 10,315.62

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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.