Home / 9,869.44-13,625.76-6,148.48

Finding the Fourth Proportional to 9,869.44, 13,625.76 and 6,148.48

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Solution

The fourth proportional to 9,869.44, 13,625.76 and 6,148.48 is: 8,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.44 : 13,625.76 = 6,148.48 : x
  2. Step 2: Convert to fraction form
    9,869.44/13,625.76 = 6,148.48/x
  3. Step 3: Cross multiply
    9,869.44x = 13,625.76 × 6,148.48
  4. Step 4: Simplify right side
    9,869.44x = 83,777,712.84
  5. Step 5: Solve for x
    x = 83,777,712.84/9,869.44
  6. Step 6: Final answer
    x = 8,488.60

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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.