Home / 14,562.10-21,859.35-9,021.70

Finding the Fourth Proportional to 14,562.10, 21,859.35 and 9,021.70

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Solution

The fourth proportional to 14,562.10, 21,859.35 and 9,021.70 is: 13,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.10 : 21,859.35 = 9,021.70 : x
  2. Step 2: Convert to fraction form
    14,562.10/21,859.35 = 9,021.70/x
  3. Step 3: Cross multiply
    14,562.10x = 21,859.35 × 9,021.70
  4. Step 4: Simplify right side
    14,562.10x = 197,208,497.90
  5. Step 5: Solve for x
    x = 197,208,497.90/14,562.10
  6. Step 6: Final answer
    x = 13,542.59

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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.