Home / 9,647.16-13,309.15-6,288.79

Finding the Fourth Proportional to 9,647.16, 13,309.15 and 6,288.79

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Solution

The fourth proportional to 9,647.16, 13,309.15 and 6,288.79 is: 8,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.16 : 13,309.15 = 6,288.79 : x
  2. Step 2: Convert to fraction form
    9,647.16/13,309.15 = 6,288.79/x
  3. Step 3: Cross multiply
    9,647.16x = 13,309.15 × 6,288.79
  4. Step 4: Simplify right side
    9,647.16x = 83,698,449.43
  5. Step 5: Solve for x
    x = 83,698,449.43/9,647.16
  6. Step 6: Final answer
    x = 8,675.97

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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.