Home / 12,370.06-18,557.57-11,130.76

Finding the Fourth Proportional to 12,370.06, 18,557.57 and 11,130.76

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Solution

The fourth proportional to 12,370.06, 18,557.57 and 11,130.76 is: 16,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.06 : 18,557.57 = 11,130.76 : x
  2. Step 2: Convert to fraction form
    12,370.06/18,557.57 = 11,130.76/x
  3. Step 3: Cross multiply
    12,370.06x = 18,557.57 × 11,130.76
  4. Step 4: Simplify right side
    12,370.06x = 206,559,857.85
  5. Step 5: Solve for x
    x = 206,559,857.85/12,370.06
  6. Step 6: Final answer
    x = 16,698.37

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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.