Home / 18,342.51-25,311.41-10,384.26

Finding the Fourth Proportional to 18,342.51, 25,311.41 and 10,384.26

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Solution

The fourth proportional to 18,342.51, 25,311.41 and 10,384.26 is: 14,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.51 : 25,311.41 = 10,384.26 : x
  2. Step 2: Convert to fraction form
    18,342.51/25,311.41 = 10,384.26/x
  3. Step 3: Cross multiply
    18,342.51x = 25,311.41 × 10,384.26
  4. Step 4: Simplify right side
    18,342.51x = 262,840,262.41
  5. Step 5: Solve for x
    x = 262,840,262.41/18,342.51
  6. Step 6: Final answer
    x = 14,329.57

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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.