Home / 18,606.85-25,670.21-10,538.65

Finding the Fourth Proportional to 18,606.85, 25,670.21 and 10,538.65

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Solution

The fourth proportional to 18,606.85, 25,670.21 and 10,538.65 is: 14,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.85 : 25,670.21 = 10,538.65 : x
  2. Step 2: Convert to fraction form
    18,606.85/25,670.21 = 10,538.65/x
  3. Step 3: Cross multiply
    18,606.85x = 25,670.21 × 10,538.65
  4. Step 4: Simplify right side
    18,606.85x = 270,529,358.62
  5. Step 5: Solve for x
    x = 270,529,358.62/18,606.85
  6. Step 6: Final answer
    x = 14,539.23

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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.