Home / 9,669.45-13,343.85-5,477.70

Finding the Fourth Proportional to 9,669.45, 13,343.85 and 5,477.70

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Solution

The fourth proportional to 9,669.45, 13,343.85 and 5,477.70 is: 7,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.45 : 13,343.85 = 5,477.70 : x
  2. Step 2: Convert to fraction form
    9,669.45/13,343.85 = 5,477.70/x
  3. Step 3: Cross multiply
    9,669.45x = 13,343.85 × 5,477.70
  4. Step 4: Simplify right side
    9,669.45x = 73,093,607.15
  5. Step 5: Solve for x
    x = 73,093,607.15/9,669.45
  6. Step 6: Final answer
    x = 7,559.23

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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.