Home / 11,907.55-16,419.62-10,039.71

Finding the Fourth Proportional to 11,907.55, 16,419.62 and 10,039.71

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Solution

The fourth proportional to 11,907.55, 16,419.62 and 10,039.71 is: 13,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.55 : 16,419.62 = 10,039.71 : x
  2. Step 2: Convert to fraction form
    11,907.55/16,419.62 = 10,039.71/x
  3. Step 3: Cross multiply
    11,907.55x = 16,419.62 × 10,039.71
  4. Step 4: Simplify right side
    11,907.55x = 164,848,248.21
  5. Step 5: Solve for x
    x = 164,848,248.21/11,907.55
  6. Step 6: Final answer
    x = 13,844.01

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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.