Home / 9,148.80-13,712.40-6,837.60

Finding the Fourth Proportional to 9,148.80, 13,712.40 and 6,837.60

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Solution

The fourth proportional to 9,148.80, 13,712.40 and 6,837.60 is: 10,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.80 : 13,712.40 = 6,837.60 : x
  2. Step 2: Convert to fraction form
    9,148.80/13,712.40 = 6,837.60/x
  3. Step 3: Cross multiply
    9,148.80x = 13,712.40 × 6,837.60
  4. Step 4: Simplify right side
    9,148.80x = 93,759,906.24
  5. Step 5: Solve for x
    x = 93,759,906.24/9,148.80
  6. Step 6: Final answer
    x = 10,248.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.