Home / 9,204.64-12,702.60-5,012.89

Finding the Fourth Proportional to 9,204.64, 12,702.60 and 5,012.89

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Solution

The fourth proportional to 9,204.64, 12,702.60 and 5,012.89 is: 6,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204.64 : 12,702.60 = 5,012.89 : x
  2. Step 2: Convert to fraction form
    9,204.64/12,702.60 = 5,012.89/x
  3. Step 3: Cross multiply
    9,204.64x = 12,702.60 × 5,012.89
  4. Step 4: Simplify right side
    9,204.64x = 63,676,736.51
  5. Step 5: Solve for x
    x = 63,676,736.51/9,204.64
  6. Step 6: Final answer
    x = 6,917.90

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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.