Home / 14,570.58-20,107.37-8,197.18

Finding the Fourth Proportional to 14,570.58, 20,107.37 and 8,197.18

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Solution

The fourth proportional to 14,570.58, 20,107.37 and 8,197.18 is: 11,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.58 : 20,107.37 = 8,197.18 : x
  2. Step 2: Convert to fraction form
    14,570.58/20,107.37 = 8,197.18/x
  3. Step 3: Cross multiply
    14,570.58x = 20,107.37 × 8,197.18
  4. Step 4: Simplify right side
    14,570.58x = 164,823,731.22
  5. Step 5: Solve for x
    x = 164,823,731.22/14,570.58
  6. Step 6: Final answer
    x = 11,312.09

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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.