Home / 9,675.58-13,351.62-5,426.32

Finding the Fourth Proportional to 9,675.58, 13,351.62 and 5,426.32

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Solution

The fourth proportional to 9,675.58, 13,351.62 and 5,426.32 is: 7,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.58 : 13,351.62 = 5,426.32 : x
  2. Step 2: Convert to fraction form
    9,675.58/13,351.62 = 5,426.32/x
  3. Step 3: Cross multiply
    9,675.58x = 13,351.62 × 5,426.32
  4. Step 4: Simplify right side
    9,675.58x = 72,450,162.64
  5. Step 5: Solve for x
    x = 72,450,162.64/9,675.58
  6. Step 6: Final answer
    x = 7,487.94

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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.