Home / 12,899.07-17,801.44-9,706.62

Finding the Fourth Proportional to 12,899.07, 17,801.44 and 9,706.62

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Solution

The fourth proportional to 12,899.07, 17,801.44 and 9,706.62 is: 13,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.07 : 17,801.44 = 9,706.62 : x
  2. Step 2: Convert to fraction form
    12,899.07/17,801.44 = 9,706.62/x
  3. Step 3: Cross multiply
    12,899.07x = 17,801.44 × 9,706.62
  4. Step 4: Simplify right side
    12,899.07x = 172,791,765.00
  5. Step 5: Solve for x
    x = 172,791,765.00/12,899.07
  6. Step 6: Final answer
    x = 13,395.68

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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.