Home / 14,658.21-20,227.86-8,370.59

Finding the Fourth Proportional to 14,658.21, 20,227.86 and 8,370.59

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Solution

The fourth proportional to 14,658.21, 20,227.86 and 8,370.59 is: 11,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.21 : 20,227.86 = 8,370.59 : x
  2. Step 2: Convert to fraction form
    14,658.21/20,227.86 = 8,370.59/x
  3. Step 3: Cross multiply
    14,658.21x = 20,227.86 × 8,370.59
  4. Step 4: Simplify right side
    14,658.21x = 169,319,021.50
  5. Step 5: Solve for x
    x = 169,319,021.50/14,658.21
  6. Step 6: Final answer
    x = 11,551.14

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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.