Home / 13,095.57-19,636.38-6,840.45

Finding the Fourth Proportional to 13,095.57, 19,636.38 and 6,840.45

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Solution

The fourth proportional to 13,095.57, 19,636.38 and 6,840.45 is: 10,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.57 : 19,636.38 = 6,840.45 : x
  2. Step 2: Convert to fraction form
    13,095.57/19,636.38 = 6,840.45/x
  3. Step 3: Cross multiply
    13,095.57x = 19,636.38 × 6,840.45
  4. Step 4: Simplify right side
    13,095.57x = 134,321,675.57
  5. Step 5: Solve for x
    x = 134,321,675.57/13,095.57
  6. Step 6: Final answer
    x = 10,257.03

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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.