Home / 14,427.48-19,896.12-8,763.15

Finding the Fourth Proportional to 14,427.48, 19,896.12 and 8,763.15

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Solution

The fourth proportional to 14,427.48, 19,896.12 and 8,763.15 is: 12,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.48 : 19,896.12 = 8,763.15 : x
  2. Step 2: Convert to fraction form
    14,427.48/19,896.12 = 8,763.15/x
  3. Step 3: Cross multiply
    14,427.48x = 19,896.12 × 8,763.15
  4. Step 4: Simplify right side
    14,427.48x = 174,352,683.98
  5. Step 5: Solve for x
    x = 174,352,683.98/14,427.48
  6. Step 6: Final answer
    x = 12,084.76

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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.