Home / 14,289.78-21,436.02-5,524.50

Finding the Fourth Proportional to 14,289.78, 21,436.02 and 5,524.50

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Solution

The fourth proportional to 14,289.78, 21,436.02 and 5,524.50 is: 8,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.78 : 21,436.02 = 5,524.50 : x
  2. Step 2: Convert to fraction form
    14,289.78/21,436.02 = 5,524.50/x
  3. Step 3: Cross multiply
    14,289.78x = 21,436.02 × 5,524.50
  4. Step 4: Simplify right side
    14,289.78x = 118,423,292.49
  5. Step 5: Solve for x
    x = 118,423,292.49/14,289.78
  6. Step 6: Final answer
    x = 8,287.27

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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.