Home / 13,636.98-18,814.41-8,862.93

Finding the Fourth Proportional to 13,636.98, 18,814.41 and 8,862.93

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Solution

The fourth proportional to 13,636.98, 18,814.41 and 8,862.93 is: 12,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.98 : 18,814.41 = 8,862.93 : x
  2. Step 2: Convert to fraction form
    13,636.98/18,814.41 = 8,862.93/x
  3. Step 3: Cross multiply
    13,636.98x = 18,814.41 × 8,862.93
  4. Step 4: Simplify right side
    13,636.98x = 166,750,798.82
  5. Step 5: Solve for x
    x = 166,750,798.82/13,636.98
  6. Step 6: Final answer
    x = 12,227.84

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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.