Home / 13,620.06-18,794.71-7,652.62

Finding the Fourth Proportional to 13,620.06, 18,794.71 and 7,652.62

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Solution

The fourth proportional to 13,620.06, 18,794.71 and 7,652.62 is: 10,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620.06 : 18,794.71 = 7,652.62 : x
  2. Step 2: Convert to fraction form
    13,620.06/18,794.71 = 7,652.62/x
  3. Step 3: Cross multiply
    13,620.06x = 18,794.71 × 7,652.62
  4. Step 4: Simplify right side
    13,620.06x = 143,828,773.64
  5. Step 5: Solve for x
    x = 143,828,773.64/13,620.06
  6. Step 6: Final answer
    x = 10,560.07

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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.