Home / 20,238.12-30,343.32-10,369.44

Finding the Fourth Proportional to 20,238.12, 30,343.32 and 10,369.44

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Solution

The fourth proportional to 20,238.12, 30,343.32 and 10,369.44 is: 15,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238.12 : 30,343.32 = 10,369.44 : x
  2. Step 2: Convert to fraction form
    20,238.12/30,343.32 = 10,369.44/x
  3. Step 3: Cross multiply
    20,238.12x = 30,343.32 × 10,369.44
  4. Step 4: Simplify right side
    20,238.12x = 314,643,236.14
  5. Step 5: Solve for x
    x = 314,643,236.14/20,238.12
  6. Step 6: Final answer
    x = 15,547.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.