Home / 14,139.96-19,511.43-8,396.52

Finding the Fourth Proportional to 14,139.96, 19,511.43 and 8,396.52

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Solution

The fourth proportional to 14,139.96, 19,511.43 and 8,396.52 is: 11,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.96 : 19,511.43 = 8,396.52 : x
  2. Step 2: Convert to fraction form
    14,139.96/19,511.43 = 8,396.52/x
  3. Step 3: Cross multiply
    14,139.96x = 19,511.43 × 8,396.52
  4. Step 4: Simplify right side
    14,139.96x = 163,828,112.22
  5. Step 5: Solve for x
    x = 163,828,112.22/14,139.96
  6. Step 6: Final answer
    x = 11,586.18

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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.