Home / 14,386.33-19,852.83-8,012.90

Finding the Fourth Proportional to 14,386.33, 19,852.83 and 8,012.90

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Solution

The fourth proportional to 14,386.33, 19,852.83 and 8,012.90 is: 11,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.33 : 19,852.83 = 8,012.90 : x
  2. Step 2: Convert to fraction form
    14,386.33/19,852.83 = 8,012.90/x
  3. Step 3: Cross multiply
    14,386.33x = 19,852.83 × 8,012.90
  4. Step 4: Simplify right side
    14,386.33x = 159,078,811.17
  5. Step 5: Solve for x
    x = 159,078,811.17/14,386.33
  6. Step 6: Final answer
    x = 11,057.63

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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.