Home / 19,021.84-28,534.68-6,542.88

Finding the Fourth Proportional to 19,021.84, 28,534.68 and 6,542.88

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Solution

The fourth proportional to 19,021.84, 28,534.68 and 6,542.88 is: 9,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.84 : 28,534.68 = 6,542.88 : x
  2. Step 2: Convert to fraction form
    19,021.84/28,534.68 = 6,542.88/x
  3. Step 3: Cross multiply
    19,021.84x = 28,534.68 × 6,542.88
  4. Step 4: Simplify right side
    19,021.84x = 186,698,880.07
  5. Step 5: Solve for x
    x = 186,698,880.07/19,021.84
  6. Step 6: Final answer
    x = 9,814.98

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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.