Home / 12,798.12-17,668.37-8,840.52

Finding the Fourth Proportional to 12,798.12, 17,668.37 and 8,840.52

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Solution

The fourth proportional to 12,798.12, 17,668.37 and 8,840.52 is: 12,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.12 : 17,668.37 = 8,840.52 : x
  2. Step 2: Convert to fraction form
    12,798.12/17,668.37 = 8,840.52/x
  3. Step 3: Cross multiply
    12,798.12x = 17,668.37 × 8,840.52
  4. Step 4: Simplify right side
    12,798.12x = 156,197,622.52
  5. Step 5: Solve for x
    x = 156,197,622.52/12,798.12
  6. Step 6: Final answer
    x = 12,204.74

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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.