Home / 13,021.52-19,527.80-4,254.26

Finding the Fourth Proportional to 13,021.52, 19,527.80 and 4,254.26

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Solution

The fourth proportional to 13,021.52, 19,527.80 and 4,254.26 is: 6,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.52 : 19,527.80 = 4,254.26 : x
  2. Step 2: Convert to fraction form
    13,021.52/19,527.80 = 4,254.26/x
  3. Step 3: Cross multiply
    13,021.52x = 19,527.80 × 4,254.26
  4. Step 4: Simplify right side
    13,021.52x = 83,076,338.43
  5. Step 5: Solve for x
    x = 83,076,338.43/13,021.52
  6. Step 6: Final answer
    x = 6,379.93

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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.