Home / 12,792.40-19,153.16-6,538.94

Finding the Fourth Proportional to 12,792.40, 19,153.16 and 6,538.94

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Solution

The fourth proportional to 12,792.40, 19,153.16 and 6,538.94 is: 9,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.40 : 19,153.16 = 6,538.94 : x
  2. Step 2: Convert to fraction form
    12,792.40/19,153.16 = 6,538.94/x
  3. Step 3: Cross multiply
    12,792.40x = 19,153.16 × 6,538.94
  4. Step 4: Simplify right side
    12,792.40x = 125,241,364.05
  5. Step 5: Solve for x
    x = 125,241,364.05/12,792.40
  6. Step 6: Final answer
    x = 9,790.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.