Home / 14,446.84-19,937.82-8,160.40

Finding the Fourth Proportional to 14,446.84, 19,937.82 and 8,160.40

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Solution

The fourth proportional to 14,446.84, 19,937.82 and 8,160.40 is: 11,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.84 : 19,937.82 = 8,160.40 : x
  2. Step 2: Convert to fraction form
    14,446.84/19,937.82 = 8,160.40/x
  3. Step 3: Cross multiply
    14,446.84x = 19,937.82 × 8,160.40
  4. Step 4: Simplify right side
    14,446.84x = 162,700,586.33
  5. Step 5: Solve for x
    x = 162,700,586.33/14,446.84
  6. Step 6: Final answer
    x = 11,262.02

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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.