Home / 15,209.80-22,784.94-13,558.60

Finding the Fourth Proportional to 15,209.80, 22,784.94 and 13,558.60

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Solution

The fourth proportional to 15,209.80, 22,784.94 and 13,558.60 is: 20,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.80 : 22,784.94 = 13,558.60 : x
  2. Step 2: Convert to fraction form
    15,209.80/22,784.94 = 13,558.60/x
  3. Step 3: Cross multiply
    15,209.80x = 22,784.94 × 13,558.60
  4. Step 4: Simplify right side
    15,209.80x = 308,931,887.48
  5. Step 5: Solve for x
    x = 308,931,887.48/15,209.80
  6. Step 6: Final answer
    x = 20,311.37

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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.