Home / 12,798.83-17,670.56-12,177.35

Finding the Fourth Proportional to 12,798.83, 17,670.56 and 12,177.35

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Solution

The fourth proportional to 12,798.83, 17,670.56 and 12,177.35 is: 16,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.83 : 17,670.56 = 12,177.35 : x
  2. Step 2: Convert to fraction form
    12,798.83/17,670.56 = 12,177.35/x
  3. Step 3: Cross multiply
    12,798.83x = 17,670.56 × 12,177.35
  4. Step 4: Simplify right side
    12,798.83x = 215,180,610.24
  5. Step 5: Solve for x
    x = 215,180,610.24/12,798.83
  6. Step 6: Final answer
    x = 16,812.53

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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.