Home / 14,515.88-21,777.46-4,127.63

Finding the Fourth Proportional to 14,515.88, 21,777.46 and 4,127.63

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Solution

The fourth proportional to 14,515.88, 21,777.46 and 4,127.63 is: 6,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.88 : 21,777.46 = 4,127.63 : x
  2. Step 2: Convert to fraction form
    14,515.88/21,777.46 = 4,127.63/x
  3. Step 3: Cross multiply
    14,515.88x = 21,777.46 × 4,127.63
  4. Step 4: Simplify right side
    14,515.88x = 89,889,178.01
  5. Step 5: Solve for x
    x = 89,889,178.01/14,515.88
  6. Step 6: Final answer
    x = 6,192.47

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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.