Home / 14,139.45-21,208.37-5,373.63

Finding the Fourth Proportional to 14,139.45, 21,208.37 and 5,373.63

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Solution

The fourth proportional to 14,139.45, 21,208.37 and 5,373.63 is: 8,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.45 : 21,208.37 = 5,373.63 : x
  2. Step 2: Convert to fraction form
    14,139.45/21,208.37 = 5,373.63/x
  3. Step 3: Cross multiply
    14,139.45x = 21,208.37 × 5,373.63
  4. Step 4: Simplify right side
    14,139.45x = 113,965,906.41
  5. Step 5: Solve for x
    x = 113,965,906.41/14,139.45
  6. Step 6: Final answer
    x = 8,060.14

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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.