Home / 12,339.12-17,029.47-6,962.64

Finding the Fourth Proportional to 12,339.12, 17,029.47 and 6,962.64

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Solution

The fourth proportional to 12,339.12, 17,029.47 and 6,962.64 is: 9,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.12 : 17,029.47 = 6,962.64 : x
  2. Step 2: Convert to fraction form
    12,339.12/17,029.47 = 6,962.64/x
  3. Step 3: Cross multiply
    12,339.12x = 17,029.47 × 6,962.64
  4. Step 4: Simplify right side
    12,339.12x = 118,570,069.00
  5. Step 5: Solve for x
    x = 118,570,069.00/12,339.12
  6. Step 6: Final answer
    x = 9,609.28

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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.