Home / 13,979.58-19,313.01-10,436.64

Finding the Fourth Proportional to 13,979.58, 19,313.01 and 10,436.64

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Solution

The fourth proportional to 13,979.58, 19,313.01 and 10,436.64 is: 14,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.58 : 19,313.01 = 10,436.64 : x
  2. Step 2: Convert to fraction form
    13,979.58/19,313.01 = 10,436.64/x
  3. Step 3: Cross multiply
    13,979.58x = 19,313.01 × 10,436.64
  4. Step 4: Simplify right side
    13,979.58x = 201,562,932.69
  5. Step 5: Solve for x
    x = 201,562,932.69/13,979.58
  6. Step 6: Final answer
    x = 14,418.38

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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.