Home / 13,668.63-20,499.30-5,875.62

Finding the Fourth Proportional to 13,668.63, 20,499.30 and 5,875.62

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Solution

The fourth proportional to 13,668.63, 20,499.30 and 5,875.62 is: 8,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.63 : 20,499.30 = 5,875.62 : x
  2. Step 2: Convert to fraction form
    13,668.63/20,499.30 = 5,875.62/x
  3. Step 3: Cross multiply
    13,668.63x = 20,499.30 × 5,875.62
  4. Step 4: Simplify right side
    13,668.63x = 120,446,097.07
  5. Step 5: Solve for x
    x = 120,446,097.07/13,668.63
  6. Step 6: Final answer
    x = 8,811.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.