Home / 18,389.22-25,378.99-10,837.98

Finding the Fourth Proportional to 18,389.22, 25,378.99 and 10,837.98

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Solution

The fourth proportional to 18,389.22, 25,378.99 and 10,837.98 is: 14,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.22 : 25,378.99 = 10,837.98 : x
  2. Step 2: Convert to fraction form
    18,389.22/25,378.99 = 10,837.98/x
  3. Step 3: Cross multiply
    18,389.22x = 25,378.99 × 10,837.98
  4. Step 4: Simplify right side
    18,389.22x = 275,057,004.22
  5. Step 5: Solve for x
    x = 275,057,004.22/18,389.22
  6. Step 6: Final answer
    x = 14,957.52

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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.