Home / 14,086.36-21,129.90-4,852.36

Finding the Fourth Proportional to 14,086.36, 21,129.90 and 4,852.36

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Solution

The fourth proportional to 14,086.36, 21,129.90 and 4,852.36 is: 7,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.36 : 21,129.90 = 4,852.36 : x
  2. Step 2: Convert to fraction form
    14,086.36/21,129.90 = 4,852.36/x
  3. Step 3: Cross multiply
    14,086.36x = 21,129.90 × 4,852.36
  4. Step 4: Simplify right side
    14,086.36x = 102,529,881.56
  5. Step 5: Solve for x
    x = 102,529,881.56/14,086.36
  6. Step 6: Final answer
    x = 7,278.66

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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.