Home / 10,961.84-16,338.62-10,339.16

Finding the Fourth Proportional to 10,961.84, 16,338.62 and 10,339.16

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Solution

The fourth proportional to 10,961.84, 16,338.62 and 10,339.16 is: 15,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.84 : 16,338.62 = 10,339.16 : x
  2. Step 2: Convert to fraction form
    10,961.84/16,338.62 = 10,339.16/x
  3. Step 3: Cross multiply
    10,961.84x = 16,338.62 × 10,339.16
  4. Step 4: Simplify right side
    10,961.84x = 168,927,606.36
  5. Step 5: Solve for x
    x = 168,927,606.36/10,961.84
  6. Step 6: Final answer
    x = 15,410.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.