Home / 14,320.85-19,757.66-8,350.34

Finding the Fourth Proportional to 14,320.85, 19,757.66 and 8,350.34

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Solution

The fourth proportional to 14,320.85, 19,757.66 and 8,350.34 is: 11,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.85 : 19,757.66 = 8,350.34 : x
  2. Step 2: Convert to fraction form
    14,320.85/19,757.66 = 8,350.34/x
  3. Step 3: Cross multiply
    14,320.85x = 19,757.66 × 8,350.34
  4. Step 4: Simplify right side
    14,320.85x = 164,983,038.06
  5. Step 5: Solve for x
    x = 164,983,038.06/14,320.85
  6. Step 6: Final answer
    x = 11,520.48

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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.