Home / 14,900.19-20,562.71-8,186.24

Finding the Fourth Proportional to 14,900.19, 20,562.71 and 8,186.24

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Solution

The fourth proportional to 14,900.19, 20,562.71 and 8,186.24 is: 11,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.19 : 20,562.71 = 8,186.24 : x
  2. Step 2: Convert to fraction form
    14,900.19/20,562.71 = 8,186.24/x
  3. Step 3: Cross multiply
    14,900.19x = 20,562.71 × 8,186.24
  4. Step 4: Simplify right side
    14,900.19x = 168,331,135.37
  5. Step 5: Solve for x
    x = 168,331,135.37/14,900.19
  6. Step 6: Final answer
    x = 11,297.25

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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.