Home / 10,904.60-16,365.36-7,205.60

Finding the Fourth Proportional to 10,904.60, 16,365.36 and 7,205.60

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Solution

The fourth proportional to 10,904.60, 16,365.36 and 7,205.60 is: 10,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.60 : 16,365.36 = 7,205.60 : x
  2. Step 2: Convert to fraction form
    10,904.60/16,365.36 = 7,205.60/x
  3. Step 3: Cross multiply
    10,904.60x = 16,365.36 × 7,205.60
  4. Step 4: Simplify right side
    10,904.60x = 117,922,238.02
  5. Step 5: Solve for x
    x = 117,922,238.02/10,904.60
  6. Step 6: Final answer
    x = 10,813.99

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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.