Home / 12,554.64-17,325.52-7,841.64

Finding the Fourth Proportional to 12,554.64, 17,325.52 and 7,841.64

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Solution

The fourth proportional to 12,554.64, 17,325.52 and 7,841.64 is: 10,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.64 : 17,325.52 = 7,841.64 : x
  2. Step 2: Convert to fraction form
    12,554.64/17,325.52 = 7,841.64/x
  3. Step 3: Cross multiply
    12,554.64x = 17,325.52 × 7,841.64
  4. Step 4: Simplify right side
    12,554.64x = 135,860,490.65
  5. Step 5: Solve for x
    x = 135,860,490.65/12,554.64
  6. Step 6: Final answer
    x = 10,821.54

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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.