Home / 18,996.56-26,210.06-13,029.70

Finding the Fourth Proportional to 18,996.56, 26,210.06 and 13,029.70

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Solution

The fourth proportional to 18,996.56, 26,210.06 and 13,029.70 is: 17,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.56 : 26,210.06 = 13,029.70 : x
  2. Step 2: Convert to fraction form
    18,996.56/26,210.06 = 13,029.70/x
  3. Step 3: Cross multiply
    18,996.56x = 26,210.06 × 13,029.70
  4. Step 4: Simplify right side
    18,996.56x = 341,509,218.78
  5. Step 5: Solve for x
    x = 341,509,218.78/18,996.56
  6. Step 6: Final answer
    x = 17,977.42

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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.