Home / 9,842.73-13,579.56-6,307.89

Finding the Fourth Proportional to 9,842.73, 13,579.56 and 6,307.89

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Solution

The fourth proportional to 9,842.73, 13,579.56 and 6,307.89 is: 8,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842.73 : 13,579.56 = 6,307.89 : x
  2. Step 2: Convert to fraction form
    9,842.73/13,579.56 = 6,307.89/x
  3. Step 3: Cross multiply
    9,842.73x = 13,579.56 × 6,307.89
  4. Step 4: Simplify right side
    9,842.73x = 85,658,370.73
  5. Step 5: Solve for x
    x = 85,658,370.73/9,842.73
  6. Step 6: Final answer
    x = 8,702.70

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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.