Home / 9,621.45-14,431.77-4,686.12

Finding the Fourth Proportional to 9,621.45, 14,431.77 and 4,686.12

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Solution

The fourth proportional to 9,621.45, 14,431.77 and 4,686.12 is: 7,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.45 : 14,431.77 = 4,686.12 : x
  2. Step 2: Convert to fraction form
    9,621.45/14,431.77 = 4,686.12/x
  3. Step 3: Cross multiply
    9,621.45x = 14,431.77 × 4,686.12
  4. Step 4: Simplify right side
    9,621.45x = 67,629,006.03
  5. Step 5: Solve for x
    x = 67,629,006.03/9,621.45
  6. Step 6: Final answer
    x = 7,028.98

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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.