Home / 10,621.36-14,653.38-6,844.24

Finding the Fourth Proportional to 10,621.36, 14,653.38 and 6,844.24

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Solution

The fourth proportional to 10,621.36, 14,653.38 and 6,844.24 is: 9,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.36 : 14,653.38 = 6,844.24 : x
  2. Step 2: Convert to fraction form
    10,621.36/14,653.38 = 6,844.24/x
  3. Step 3: Cross multiply
    10,621.36x = 14,653.38 × 6,844.24
  4. Step 4: Simplify right side
    10,621.36x = 100,291,249.53
  5. Step 5: Solve for x
    x = 100,291,249.53/10,621.36
  6. Step 6: Final answer
    x = 9,442.41

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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.