Home / 14,253.41-19,669.74-7,965.79

Finding the Fourth Proportional to 14,253.41, 19,669.74 and 7,965.79

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Solution

The fourth proportional to 14,253.41, 19,669.74 and 7,965.79 is: 10,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.41 : 19,669.74 = 7,965.79 : x
  2. Step 2: Convert to fraction form
    14,253.41/19,669.74 = 7,965.79/x
  3. Step 3: Cross multiply
    14,253.41x = 19,669.74 × 7,965.79
  4. Step 4: Simplify right side
    14,253.41x = 156,684,880.02
  5. Step 5: Solve for x
    x = 156,684,880.02/14,253.41
  6. Step 6: Final answer
    x = 10,992.80

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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.