Home / 9,718.34-13,399.05-6,355.83

Finding the Fourth Proportional to 9,718.34, 13,399.05 and 6,355.83

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Solution

The fourth proportional to 9,718.34, 13,399.05 and 6,355.83 is: 8,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.34 : 13,399.05 = 6,355.83 : x
  2. Step 2: Convert to fraction form
    9,718.34/13,399.05 = 6,355.83/x
  3. Step 3: Cross multiply
    9,718.34x = 13,399.05 × 6,355.83
  4. Step 4: Simplify right side
    9,718.34x = 85,161,991.36
  5. Step 5: Solve for x
    x = 85,161,991.36/9,718.34
  6. Step 6: Final answer
    x = 8,763.02

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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.