Home / 14,849.43-20,491.74-8,134.89

Finding the Fourth Proportional to 14,849.43, 20,491.74 and 8,134.89

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Solution

The fourth proportional to 14,849.43, 20,491.74 and 8,134.89 is: 11,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.43 : 20,491.74 = 8,134.89 : x
  2. Step 2: Convert to fraction form
    14,849.43/20,491.74 = 8,134.89/x
  3. Step 3: Cross multiply
    14,849.43x = 20,491.74 × 8,134.89
  4. Step 4: Simplify right side
    14,849.43x = 166,698,050.81
  5. Step 5: Solve for x
    x = 166,698,050.81/14,849.43
  6. Step 6: Final answer
    x = 11,225.89

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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.