Home / 14,021.58-21,010.38-8,816.52

Finding the Fourth Proportional to 14,021.58, 21,010.38 and 8,816.52

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Solution

The fourth proportional to 14,021.58, 21,010.38 and 8,816.52 is: 13,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.58 : 21,010.38 = 8,816.52 : x
  2. Step 2: Convert to fraction form
    14,021.58/21,010.38 = 8,816.52/x
  3. Step 3: Cross multiply
    14,021.58x = 21,010.38 × 8,816.52
  4. Step 4: Simplify right side
    14,021.58x = 185,238,435.48
  5. Step 5: Solve for x
    x = 185,238,435.48/14,021.58
  6. Step 6: Final answer
    x = 13,210.95

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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.