Home / 14,004.72-19,326.60-7,716.96

Finding the Fourth Proportional to 14,004.72, 19,326.60 and 7,716.96

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Solution

The fourth proportional to 14,004.72, 19,326.60 and 7,716.96 is: 10,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.72 : 19,326.60 = 7,716.96 : x
  2. Step 2: Convert to fraction form
    14,004.72/19,326.60 = 7,716.96/x
  3. Step 3: Cross multiply
    14,004.72x = 19,326.60 × 7,716.96
  4. Step 4: Simplify right side
    14,004.72x = 149,142,599.14
  5. Step 5: Solve for x
    x = 149,142,599.14/14,004.72
  6. Step 6: Final answer
    x = 10,649.45

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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.