Home / 13,426.63-18,524.57-7,759.29

Finding the Fourth Proportional to 13,426.63, 18,524.57 and 7,759.29

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Solution

The fourth proportional to 13,426.63, 18,524.57 and 7,759.29 is: 10,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.63 : 18,524.57 = 7,759.29 : x
  2. Step 2: Convert to fraction form
    13,426.63/18,524.57 = 7,759.29/x
  3. Step 3: Cross multiply
    13,426.63x = 18,524.57 × 7,759.29
  4. Step 4: Simplify right side
    13,426.63x = 143,737,541.43
  5. Step 5: Solve for x
    x = 143,737,541.43/13,426.63
  6. Step 6: Final answer
    x = 10,705.41

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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.