Home / 18,860.23-26,012.10-12,146.41

Finding the Fourth Proportional to 18,860.23, 26,012.10 and 12,146.41

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Solution

The fourth proportional to 18,860.23, 26,012.10 and 12,146.41 is: 16,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.23 : 26,012.10 = 12,146.41 : x
  2. Step 2: Convert to fraction form
    18,860.23/26,012.10 = 12,146.41/x
  3. Step 3: Cross multiply
    18,860.23x = 26,012.10 × 12,146.41
  4. Step 4: Simplify right side
    18,860.23x = 315,953,631.56
  5. Step 5: Solve for x
    x = 315,953,631.56/18,860.23
  6. Step 6: Final answer
    x = 16,752.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.