Home / 18,376.47-25,358.67-10,418.49

Finding the Fourth Proportional to 18,376.47, 25,358.67 and 10,418.49

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Solution

The fourth proportional to 18,376.47, 25,358.67 and 10,418.49 is: 14,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.47 : 25,358.67 = 10,418.49 : x
  2. Step 2: Convert to fraction form
    18,376.47/25,358.67 = 10,418.49/x
  3. Step 3: Cross multiply
    18,376.47x = 25,358.67 × 10,418.49
  4. Step 4: Simplify right side
    18,376.47x = 264,199,049.81
  5. Step 5: Solve for x
    x = 264,199,049.81/18,376.47
  6. Step 6: Final answer
    x = 14,377.03

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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.