Home / 14,326.09-19,782.61-8,957.72

Finding the Fourth Proportional to 14,326.09, 19,782.61 and 8,957.72

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Solution

The fourth proportional to 14,326.09, 19,782.61 and 8,957.72 is: 12,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.09 : 19,782.61 = 8,957.72 : x
  2. Step 2: Convert to fraction form
    14,326.09/19,782.61 = 8,957.72/x
  3. Step 3: Cross multiply
    14,326.09x = 19,782.61 × 8,957.72
  4. Step 4: Simplify right side
    14,326.09x = 177,207,108.31
  5. Step 5: Solve for x
    x = 177,207,108.31/14,326.09
  6. Step 6: Final answer
    x = 12,369.54

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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.