Home / 9,722.09-13,405.88-6,572.81

Finding the Fourth Proportional to 9,722.09, 13,405.88 and 6,572.81

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Solution

The fourth proportional to 9,722.09, 13,405.88 and 6,572.81 is: 9,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.09 : 13,405.88 = 6,572.81 : x
  2. Step 2: Convert to fraction form
    9,722.09/13,405.88 = 6,572.81/x
  3. Step 3: Cross multiply
    9,722.09x = 13,405.88 × 6,572.81
  4. Step 4: Simplify right side
    9,722.09x = 88,114,202.23
  5. Step 5: Solve for x
    x = 88,114,202.23/9,722.09
  6. Step 6: Final answer
    x = 9,063.30

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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.