Home / 25,006.40-34,507.43-13,673.64

Finding the Fourth Proportional to 25,006.40, 34,507.43 and 13,673.64

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Solution

The fourth proportional to 25,006.40, 34,507.43 and 13,673.64 is: 18,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,006.40 : 34,507.43 = 13,673.64 : x
  2. Step 2: Convert to fraction form
    25,006.40/34,507.43 = 13,673.64/x
  3. Step 3: Cross multiply
    25,006.40x = 34,507.43 × 13,673.64
  4. Step 4: Simplify right side
    25,006.40x = 471,842,295.60
  5. Step 5: Solve for x
    x = 471,842,295.60/25,006.40
  6. Step 6: Final answer
    x = 18,868.86

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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.