Home / 9,799.99-13,518.80-6,208.61

Finding the Fourth Proportional to 9,799.99, 13,518.80 and 6,208.61

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Solution

The fourth proportional to 9,799.99, 13,518.80 and 6,208.61 is: 8,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.99 : 13,518.80 = 6,208.61 : x
  2. Step 2: Convert to fraction form
    9,799.99/13,518.80 = 6,208.61/x
  3. Step 3: Cross multiply
    9,799.99x = 13,518.80 × 6,208.61
  4. Step 4: Simplify right side
    9,799.99x = 83,932,956.87
  5. Step 5: Solve for x
    x = 83,932,956.87/9,799.99
  6. Step 6: Final answer
    x = 8,564.60

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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.