Home / 15,070.37-20,797.23-8,356.09

Finding the Fourth Proportional to 15,070.37, 20,797.23 and 8,356.09

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Solution

The fourth proportional to 15,070.37, 20,797.23 and 8,356.09 is: 11,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.37 : 20,797.23 = 8,356.09 : x
  2. Step 2: Convert to fraction form
    15,070.37/20,797.23 = 8,356.09/x
  3. Step 3: Cross multiply
    15,070.37x = 20,797.23 × 8,356.09
  4. Step 4: Simplify right side
    15,070.37x = 173,783,461.97
  5. Step 5: Solve for x
    x = 173,783,461.97/15,070.37
  6. Step 6: Final answer
    x = 11,531.47

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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.