Home / 14,128.73-19,497.89-7,755.92

Finding the Fourth Proportional to 14,128.73, 19,497.89 and 7,755.92

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Solution

The fourth proportional to 14,128.73, 19,497.89 and 7,755.92 is: 10,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.73 : 19,497.89 = 7,755.92 : x
  2. Step 2: Convert to fraction form
    14,128.73/19,497.89 = 7,755.92/x
  3. Step 3: Cross multiply
    14,128.73x = 19,497.89 × 7,755.92
  4. Step 4: Simplify right side
    14,128.73x = 151,224,114.06
  5. Step 5: Solve for x
    x = 151,224,114.06/14,128.73
  6. Step 6: Final answer
    x = 10,703.30

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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.