Home / 15,884.48-21,841.44-14,195.36

Finding the Fourth Proportional to 15,884.48, 21,841.44 and 14,195.36

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Solution

The fourth proportional to 15,884.48, 21,841.44 and 14,195.36 is: 19,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.48 : 21,841.44 = 14,195.36 : x
  2. Step 2: Convert to fraction form
    15,884.48/21,841.44 = 14,195.36/x
  3. Step 3: Cross multiply
    15,884.48x = 21,841.44 × 14,195.36
  4. Step 4: Simplify right side
    15,884.48x = 310,047,103.72
  5. Step 5: Solve for x
    x = 310,047,103.72/15,884.48
  6. Step 6: Final answer
    x = 19,518.87

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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.