Home / 13,190.23-19,780.66-4,868.00

Finding the Fourth Proportional to 13,190.23, 19,780.66 and 4,868.00

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Solution

The fourth proportional to 13,190.23, 19,780.66 and 4,868.00 is: 7,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.23 : 19,780.66 = 4,868.00 : x
  2. Step 2: Convert to fraction form
    13,190.23/19,780.66 = 4,868.00/x
  3. Step 3: Cross multiply
    13,190.23x = 19,780.66 × 4,868.00
  4. Step 4: Simplify right side
    13,190.23x = 96,292,345.51
  5. Step 5: Solve for x
    x = 96,292,345.51/13,190.23
  6. Step 6: Final answer
    x = 7,300.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.