Home / 18,695.09-25,798.81-10,311.59

Finding the Fourth Proportional to 18,695.09, 25,798.81 and 10,311.59

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Solution

The fourth proportional to 18,695.09, 25,798.81 and 10,311.59 is: 14,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.09 : 25,798.81 = 10,311.59 : x
  2. Step 2: Convert to fraction form
    18,695.09/25,798.81 = 10,311.59/x
  3. Step 3: Cross multiply
    18,695.09x = 25,798.81 × 10,311.59
  4. Step 4: Simplify right side
    18,695.09x = 266,026,596.43
  5. Step 5: Solve for x
    x = 266,026,596.43/18,695.09
  6. Step 6: Final answer
    x = 14,229.76

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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.