Home / 18,376.28-25,360.06-10,418.44

Finding the Fourth Proportional to 18,376.28, 25,360.06 and 10,418.44

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Solution

The fourth proportional to 18,376.28, 25,360.06 and 10,418.44 is: 14,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.28 : 25,360.06 = 10,418.44 : x
  2. Step 2: Convert to fraction form
    18,376.28/25,360.06 = 10,418.44/x
  3. Step 3: Cross multiply
    18,376.28x = 25,360.06 × 10,418.44
  4. Step 4: Simplify right side
    18,376.28x = 264,212,263.51
  5. Step 5: Solve for x
    x = 264,212,263.51/18,376.28
  6. Step 6: Final answer
    x = 14,377.90

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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.