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Finding the Fourth Proportional to 14,026.94, 21,029.28 and 7,003.34

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Solution

The fourth proportional to 14,026.94, 21,029.28 and 7,003.34 is: 10,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.94 : 21,029.28 = 7,003.34 : x
  2. Step 2: Convert to fraction form
    14,026.94/21,029.28 = 7,003.34/x
  3. Step 3: Cross multiply
    14,026.94x = 21,029.28 × 7,003.34
  4. Step 4: Simplify right side
    14,026.94x = 147,275,197.80
  5. Step 5: Solve for x
    x = 147,275,197.80/14,026.94
  6. Step 6: Final answer
    x = 10,499.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.