Home / 9,772.36-13,485.21-6,235.20

Finding the Fourth Proportional to 9,772.36, 13,485.21 and 6,235.20

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Solution

The fourth proportional to 9,772.36, 13,485.21 and 6,235.20 is: 8,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.36 : 13,485.21 = 6,235.20 : x
  2. Step 2: Convert to fraction form
    9,772.36/13,485.21 = 6,235.20/x
  3. Step 3: Cross multiply
    9,772.36x = 13,485.21 × 6,235.20
  4. Step 4: Simplify right side
    9,772.36x = 84,082,981.39
  5. Step 5: Solve for x
    x = 84,082,981.39/9,772.36
  6. Step 6: Final answer
    x = 8,604.16

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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.