Home / 14,134.21-19,503.74-8,167.79

Finding the Fourth Proportional to 14,134.21, 19,503.74 and 8,167.79

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Solution

The fourth proportional to 14,134.21, 19,503.74 and 8,167.79 is: 11,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.21 : 19,503.74 = 8,167.79 : x
  2. Step 2: Convert to fraction form
    14,134.21/19,503.74 = 8,167.79/x
  3. Step 3: Cross multiply
    14,134.21x = 19,503.74 × 8,167.79
  4. Step 4: Simplify right side
    14,134.21x = 159,302,521.71
  5. Step 5: Solve for x
    x = 159,302,521.71/14,134.21
  6. Step 6: Final answer
    x = 11,270.71

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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.