Home / 13,418.06-20,127.12-4,652.98

Finding the Fourth Proportional to 13,418.06, 20,127.12 and 4,652.98

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Solution

The fourth proportional to 13,418.06, 20,127.12 and 4,652.98 is: 6,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.06 : 20,127.12 = 4,652.98 : x
  2. Step 2: Convert to fraction form
    13,418.06/20,127.12 = 4,652.98/x
  3. Step 3: Cross multiply
    13,418.06x = 20,127.12 × 4,652.98
  4. Step 4: Simplify right side
    13,418.06x = 93,651,086.82
  5. Step 5: Solve for x
    x = 93,651,086.82/13,418.06
  6. Step 6: Final answer
    x = 6,979.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.