Home / 25,299.51-34,913.16-13,969.71

Finding the Fourth Proportional to 25,299.51, 34,913.16 and 13,969.71

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Solution

The fourth proportional to 25,299.51, 34,913.16 and 13,969.71 is: 19,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.51 : 34,913.16 = 13,969.71 : x
  2. Step 2: Convert to fraction form
    25,299.51/34,913.16 = 13,969.71/x
  3. Step 3: Cross multiply
    25,299.51x = 34,913.16 × 13,969.71
  4. Step 4: Simplify right side
    25,299.51x = 487,726,720.38
  5. Step 5: Solve for x
    x = 487,726,720.38/25,299.51
  6. Step 6: Final answer
    x = 19,278.11

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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.