Home / 14,004.71-19,325.62-7,717.09

Finding the Fourth Proportional to 14,004.71, 19,325.62 and 7,717.09

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Solution

The fourth proportional to 14,004.71, 19,325.62 and 7,717.09 is: 10,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.71 : 19,325.62 = 7,717.09 : x
  2. Step 2: Convert to fraction form
    14,004.71/19,325.62 = 7,717.09/x
  3. Step 3: Cross multiply
    14,004.71x = 19,325.62 × 7,717.09
  4. Step 4: Simplify right side
    14,004.71x = 149,137,548.85
  5. Step 5: Solve for x
    x = 149,137,548.85/14,004.71
  6. Step 6: Final answer
    x = 10,649.10

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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.