Home / 14,977.58-20,668.80-8,263.85

Finding the Fourth Proportional to 14,977.58, 20,668.80 and 8,263.85

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Solution

The fourth proportional to 14,977.58, 20,668.80 and 8,263.85 is: 11,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.58 : 20,668.80 = 8,263.85 : x
  2. Step 2: Convert to fraction form
    14,977.58/20,668.80 = 8,263.85/x
  3. Step 3: Cross multiply
    14,977.58x = 20,668.80 × 8,263.85
  4. Step 4: Simplify right side
    14,977.58x = 170,803,862.88
  5. Step 5: Solve for x
    x = 170,803,862.88/14,977.58
  6. Step 6: Final answer
    x = 11,403.97

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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.