Home / 13,854.36-19,085.61-11,020.89

Finding the Fourth Proportional to 13,854.36, 19,085.61 and 11,020.89

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Solution

The fourth proportional to 13,854.36, 19,085.61 and 11,020.89 is: 15,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.36 : 19,085.61 = 11,020.89 : x
  2. Step 2: Convert to fraction form
    13,854.36/19,085.61 = 11,020.89/x
  3. Step 3: Cross multiply
    13,854.36x = 19,085.61 × 11,020.89
  4. Step 4: Simplify right side
    13,854.36x = 210,340,408.39
  5. Step 5: Solve for x
    x = 210,340,408.39/13,854.36
  6. Step 6: Final answer
    x = 15,182.25

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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.