Home / 18,364.29-25,342.19-10,409.09

Finding the Fourth Proportional to 18,364.29, 25,342.19 and 10,409.09

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Solution

The fourth proportional to 18,364.29, 25,342.19 and 10,409.09 is: 14,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.29 : 25,342.19 = 10,409.09 : x
  2. Step 2: Convert to fraction form
    18,364.29/25,342.19 = 10,409.09/x
  3. Step 3: Cross multiply
    18,364.29x = 25,342.19 × 10,409.09
  4. Step 4: Simplify right side
    18,364.29x = 263,789,136.51
  5. Step 5: Solve for x
    x = 263,789,136.51/18,364.29
  6. Step 6: Final answer
    x = 14,364.24

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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.