Home / 14,019.09-19,372.01-13,335.72

Finding the Fourth Proportional to 14,019.09, 19,372.01 and 13,335.72

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Solution

The fourth proportional to 14,019.09, 19,372.01 and 13,335.72 is: 18,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.09 : 19,372.01 = 13,335.72 : x
  2. Step 2: Convert to fraction form
    14,019.09/19,372.01 = 13,335.72/x
  3. Step 3: Cross multiply
    14,019.09x = 19,372.01 × 13,335.72
  4. Step 4: Simplify right side
    14,019.09x = 258,339,634.52
  5. Step 5: Solve for x
    x = 258,339,634.52/14,019.09
  6. Step 6: Final answer
    x = 18,427.70

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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.