Home / 14,342.15-19,790.72-8,377.30

Finding the Fourth Proportional to 14,342.15, 19,790.72 and 8,377.30

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Solution

The fourth proportional to 14,342.15, 19,790.72 and 8,377.30 is: 11,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.15 : 19,790.72 = 8,377.30 : x
  2. Step 2: Convert to fraction form
    14,342.15/19,790.72 = 8,377.30/x
  3. Step 3: Cross multiply
    14,342.15x = 19,790.72 × 8,377.30
  4. Step 4: Simplify right side
    14,342.15x = 165,792,707.29
  5. Step 5: Solve for x
    x = 165,792,707.29/14,342.15
  6. Step 6: Final answer
    x = 11,559.82

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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.