Home / 14,112.54-21,127.19-10,431.23

Finding the Fourth Proportional to 14,112.54, 21,127.19 and 10,431.23

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Solution

The fourth proportional to 14,112.54, 21,127.19 and 10,431.23 is: 15,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.54 : 21,127.19 = 10,431.23 : x
  2. Step 2: Convert to fraction form
    14,112.54/21,127.19 = 10,431.23/x
  3. Step 3: Cross multiply
    14,112.54x = 21,127.19 × 10,431.23
  4. Step 4: Simplify right side
    14,112.54x = 220,382,420.35
  5. Step 5: Solve for x
    x = 220,382,420.35/14,112.54
  6. Step 6: Final answer
    x = 15,616.07

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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.