Home / 17,866.40-26,798.76-8,499.56

Finding the Fourth Proportional to 17,866.40, 26,798.76 and 8,499.56

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Solution

The fourth proportional to 17,866.40, 26,798.76 and 8,499.56 is: 12,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.40 : 26,798.76 = 8,499.56 : x
  2. Step 2: Convert to fraction form
    17,866.40/26,798.76 = 8,499.56/x
  3. Step 3: Cross multiply
    17,866.40x = 26,798.76 × 8,499.56
  4. Step 4: Simplify right side
    17,866.40x = 227,777,668.55
  5. Step 5: Solve for x
    x = 227,777,668.55/17,866.40
  6. Step 6: Final answer
    x = 12,748.94

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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.