Home / 19,130.46-26,399.82-11,173.86

Finding the Fourth Proportional to 19,130.46, 26,399.82 and 11,173.86

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Solution

The fourth proportional to 19,130.46, 26,399.82 and 11,173.86 is: 15,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.46 : 26,399.82 = 11,173.86 : x
  2. Step 2: Convert to fraction form
    19,130.46/26,399.82 = 11,173.86/x
  3. Step 3: Cross multiply
    19,130.46x = 26,399.82 × 11,173.86
  4. Step 4: Simplify right side
    19,130.46x = 294,987,892.71
  5. Step 5: Solve for x
    x = 294,987,892.71/19,130.46
  6. Step 6: Final answer
    x = 15,419.80

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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.