Home / 14,309.89-19,757.42-8,940.50

Finding the Fourth Proportional to 14,309.89, 19,757.42 and 8,940.50

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Solution

The fourth proportional to 14,309.89, 19,757.42 and 8,940.50 is: 12,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.89 : 19,757.42 = 8,940.50 : x
  2. Step 2: Convert to fraction form
    14,309.89/19,757.42 = 8,940.50/x
  3. Step 3: Cross multiply
    14,309.89x = 19,757.42 × 8,940.50
  4. Step 4: Simplify right side
    14,309.89x = 176,641,177.64
  5. Step 5: Solve for x
    x = 176,641,177.64/14,309.89
  6. Step 6: Final answer
    x = 12,343.99

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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.