Home / 14,149.85-21,233.99-5,384.84

Finding the Fourth Proportional to 14,149.85, 21,233.99 and 5,384.84

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Solution

The fourth proportional to 14,149.85, 21,233.99 and 5,384.84 is: 8,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.85 : 21,233.99 = 5,384.84 : x
  2. Step 2: Convert to fraction form
    14,149.85/21,233.99 = 5,384.84/x
  3. Step 3: Cross multiply
    14,149.85x = 21,233.99 × 5,384.84
  4. Step 4: Simplify right side
    14,149.85x = 114,341,638.71
  5. Step 5: Solve for x
    x = 114,341,638.71/14,149.85
  6. Step 6: Final answer
    x = 8,080.77

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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.