Home / 13,216.24-19,785.47-8,822.80

Finding the Fourth Proportional to 13,216.24, 19,785.47 and 8,822.80

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Solution

The fourth proportional to 13,216.24, 19,785.47 and 8,822.80 is: 13,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.24 : 19,785.47 = 8,822.80 : x
  2. Step 2: Convert to fraction form
    13,216.24/19,785.47 = 8,822.80/x
  3. Step 3: Cross multiply
    13,216.24x = 19,785.47 × 8,822.80
  4. Step 4: Simplify right side
    13,216.24x = 174,563,200.60
  5. Step 5: Solve for x
    x = 174,563,200.60/13,216.24
  6. Step 6: Final answer
    x = 13,208.23

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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.