Home / 14,021.16-19,342.74-8,982.96

Finding the Fourth Proportional to 14,021.16, 19,342.74 and 8,982.96

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Solution

The fourth proportional to 14,021.16, 19,342.74 and 8,982.96 is: 12,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.16 : 19,342.74 = 8,982.96 : x
  2. Step 2: Convert to fraction form
    14,021.16/19,342.74 = 8,982.96/x
  3. Step 3: Cross multiply
    14,021.16x = 19,342.74 × 8,982.96
  4. Step 4: Simplify right side
    14,021.16x = 173,755,059.71
  5. Step 5: Solve for x
    x = 173,755,059.71/14,021.16
  6. Step 6: Final answer
    x = 12,392.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.