Home / 13,985.06-20,992.18-6,199.34

Finding the Fourth Proportional to 13,985.06, 20,992.18 and 6,199.34

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Solution

The fourth proportional to 13,985.06, 20,992.18 and 6,199.34 is: 9,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.06 : 20,992.18 = 6,199.34 : x
  2. Step 2: Convert to fraction form
    13,985.06/20,992.18 = 6,199.34/x
  3. Step 3: Cross multiply
    13,985.06x = 20,992.18 × 6,199.34
  4. Step 4: Simplify right side
    13,985.06x = 130,137,661.16
  5. Step 5: Solve for x
    x = 130,137,661.16/13,985.06
  6. Step 6: Final answer
    x = 9,305.48

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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.