Home / 18,351.29-25,325.25-10,393.40

Finding the Fourth Proportional to 18,351.29, 25,325.25 and 10,393.40

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Solution

The fourth proportional to 18,351.29, 25,325.25 and 10,393.40 is: 14,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.29 : 25,325.25 = 10,393.40 : x
  2. Step 2: Convert to fraction form
    18,351.29/25,325.25 = 10,393.40/x
  3. Step 3: Cross multiply
    18,351.29x = 25,325.25 × 10,393.40
  4. Step 4: Simplify right side
    18,351.29x = 263,215,453.35
  5. Step 5: Solve for x
    x = 263,215,453.35/18,351.29
  6. Step 6: Final answer
    x = 14,343.16

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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.