Home / 25,145.56-34,703.67-14,391.46

Finding the Fourth Proportional to 25,145.56, 34,703.67 and 14,391.46

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Solution

The fourth proportional to 25,145.56, 34,703.67 and 14,391.46 is: 19,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.56 : 34,703.67 = 14,391.46 : x
  2. Step 2: Convert to fraction form
    25,145.56/34,703.67 = 14,391.46/x
  3. Step 3: Cross multiply
    25,145.56x = 34,703.67 × 14,391.46
  4. Step 4: Simplify right side
    25,145.56x = 499,436,478.66
  5. Step 5: Solve for x
    x = 499,436,478.66/25,145.56
  6. Step 6: Final answer
    x = 19,861.82

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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.