Home / 14,008.21-19,331.33-7,634.80

Finding the Fourth Proportional to 14,008.21, 19,331.33 and 7,634.80

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Solution

The fourth proportional to 14,008.21, 19,331.33 and 7,634.80 is: 10,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.21 : 19,331.33 = 7,634.80 : x
  2. Step 2: Convert to fraction form
    14,008.21/19,331.33 = 7,634.80/x
  3. Step 3: Cross multiply
    14,008.21x = 19,331.33 × 7,634.80
  4. Step 4: Simplify right side
    14,008.21x = 147,590,838.28
  5. Step 5: Solve for x
    x = 147,590,838.28/14,008.21
  6. Step 6: Final answer
    x = 10,536.02

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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.