Home / 12,557.98-18,814-5,882.22

Finding the Fourth Proportional to 12,557.98, 18,814 and 5,882.22

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Solution

The fourth proportional to 12,557.98, 18,814 and 5,882.22 is: 8,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.98 : 18,814 = 5,882.22 : x
  2. Step 2: Convert to fraction form
    12,557.98/18,814 = 5,882.22/x
  3. Step 3: Cross multiply
    12,557.98x = 18,814 × 5,882.22
  4. Step 4: Simplify right side
    12,557.98x = 110,668,087.08
  5. Step 5: Solve for x
    x = 110,668,087.08/12,557.98
  6. Step 6: Final answer
    x = 8,812.57

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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.