Home / 19,036.86-28,571.69-13,197.57

Finding the Fourth Proportional to 19,036.86, 28,571.69 and 13,197.57

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Solution

The fourth proportional to 19,036.86, 28,571.69 and 13,197.57 is: 19,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.86 : 28,571.69 = 13,197.57 : x
  2. Step 2: Convert to fraction form
    19,036.86/28,571.69 = 13,197.57/x
  3. Step 3: Cross multiply
    19,036.86x = 28,571.69 × 13,197.57
  4. Step 4: Simplify right side
    19,036.86x = 377,076,934.46
  5. Step 5: Solve for x
    x = 377,076,934.46/19,036.86
  6. Step 6: Final answer
    x = 19,807.73

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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.