Home / 9,639.45-13,297.36-7,848.96

Finding the Fourth Proportional to 9,639.45, 13,297.36 and 7,848.96

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Solution

The fourth proportional to 9,639.45, 13,297.36 and 7,848.96 is: 10,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.45 : 13,297.36 = 7,848.96 : x
  2. Step 2: Convert to fraction form
    9,639.45/13,297.36 = 7,848.96/x
  3. Step 3: Cross multiply
    9,639.45x = 13,297.36 × 7,848.96
  4. Step 4: Simplify right side
    9,639.45x = 104,370,395.81
  5. Step 5: Solve for x
    x = 104,370,395.81/9,639.45
  6. Step 6: Final answer
    x = 10,827.42

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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.