Home / 18,857.55-26,022.22-10,359.64

Finding the Fourth Proportional to 18,857.55, 26,022.22 and 10,359.64

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Solution

The fourth proportional to 18,857.55, 26,022.22 and 10,359.64 is: 14,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.55 : 26,022.22 = 10,359.64 : x
  2. Step 2: Convert to fraction form
    18,857.55/26,022.22 = 10,359.64/x
  3. Step 3: Cross multiply
    18,857.55x = 26,022.22 × 10,359.64
  4. Step 4: Simplify right side
    18,857.55x = 269,580,831.20
  5. Step 5: Solve for x
    x = 269,580,831.20/18,857.55
  6. Step 6: Final answer
    x = 14,295.64

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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.