Home / 14,088.47-19,441.96-8,120.00

Finding the Fourth Proportional to 14,088.47, 19,441.96 and 8,120.00

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Solution

The fourth proportional to 14,088.47, 19,441.96 and 8,120.00 is: 11,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.47 : 19,441.96 = 8,120.00 : x
  2. Step 2: Convert to fraction form
    14,088.47/19,441.96 = 8,120.00/x
  3. Step 3: Cross multiply
    14,088.47x = 19,441.96 × 8,120.00
  4. Step 4: Simplify right side
    14,088.47x = 157,868,743.50
  5. Step 5: Solve for x
    x = 157,868,743.50/14,088.47
  6. Step 6: Final answer
    x = 11,205.53

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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.