Home / 12,239.60-16,893.72-6,937.58

Finding the Fourth Proportional to 12,239.60, 16,893.72 and 6,937.58

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Solution

The fourth proportional to 12,239.60, 16,893.72 and 6,937.58 is: 9,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.60 : 16,893.72 = 6,937.58 : x
  2. Step 2: Convert to fraction form
    12,239.60/16,893.72 = 6,937.58/x
  3. Step 3: Cross multiply
    12,239.60x = 16,893.72 × 6,937.58
  4. Step 4: Simplify right side
    12,239.60x = 117,201,534.00
  5. Step 5: Solve for x
    x = 117,201,534.00/12,239.60
  6. Step 6: Final answer
    x = 9,575.60

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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.