Home / 18,847.05-26,012.28-14,090.86

Finding the Fourth Proportional to 18,847.05, 26,012.28 and 14,090.86

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Solution

The fourth proportional to 18,847.05, 26,012.28 and 14,090.86 is: 19,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.05 : 26,012.28 = 14,090.86 : x
  2. Step 2: Convert to fraction form
    18,847.05/26,012.28 = 14,090.86/x
  3. Step 3: Cross multiply
    18,847.05x = 26,012.28 × 14,090.86
  4. Step 4: Simplify right side
    18,847.05x = 366,535,395.76
  5. Step 5: Solve for x
    x = 366,535,395.76/18,847.05
  6. Step 6: Final answer
    x = 19,447.89

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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.