Home / 18,025.56-26,985.09-13,314.28

Finding the Fourth Proportional to 18,025.56, 26,985.09 and 13,314.28

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Solution

The fourth proportional to 18,025.56, 26,985.09 and 13,314.28 is: 19,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.56 : 26,985.09 = 13,314.28 : x
  2. Step 2: Convert to fraction form
    18,025.56/26,985.09 = 13,314.28/x
  3. Step 3: Cross multiply
    18,025.56x = 26,985.09 × 13,314.28
  4. Step 4: Simplify right side
    18,025.56x = 359,287,044.09
  5. Step 5: Solve for x
    x = 359,287,044.09/18,025.56
  6. Step 6: Final answer
    x = 19,932.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.