Home / 25,299.64-34,914.86-13,969.09

Finding the Fourth Proportional to 25,299.64, 34,914.86 and 13,969.09

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Solution

The fourth proportional to 25,299.64, 34,914.86 and 13,969.09 is: 19,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.64 : 34,914.86 = 13,969.09 : x
  2. Step 2: Convert to fraction form
    25,299.64/34,914.86 = 13,969.09/x
  3. Step 3: Cross multiply
    25,299.64x = 34,914.86 × 13,969.09
  4. Step 4: Simplify right side
    25,299.64x = 487,728,867.50
  5. Step 5: Solve for x
    x = 487,728,867.50/25,299.64
  6. Step 6: Final answer
    x = 19,278.10

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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.