Home / 14,125.65-19,493.31-8,157.84

Finding the Fourth Proportional to 14,125.65, 19,493.31 and 8,157.84

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Solution

The fourth proportional to 14,125.65, 19,493.31 and 8,157.84 is: 11,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.65 : 19,493.31 = 8,157.84 : x
  2. Step 2: Convert to fraction form
    14,125.65/19,493.31 = 8,157.84/x
  3. Step 3: Cross multiply
    14,125.65x = 19,493.31 × 8,157.84
  4. Step 4: Simplify right side
    14,125.65x = 159,023,304.05
  5. Step 5: Solve for x
    x = 159,023,304.05/14,125.65
  6. Step 6: Final answer
    x = 11,257.77

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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.