Home / 20,253.06-30,365.16-7,762.52

Finding the Fourth Proportional to 20,253.06, 30,365.16 and 7,762.52

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Solution

The fourth proportional to 20,253.06, 30,365.16 and 7,762.52 is: 11,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.06 : 30,365.16 = 7,762.52 : x
  2. Step 2: Convert to fraction form
    20,253.06/30,365.16 = 7,762.52/x
  3. Step 3: Cross multiply
    20,253.06x = 30,365.16 × 7,762.52
  4. Step 4: Simplify right side
    20,253.06x = 235,710,161.80
  5. Step 5: Solve for x
    x = 235,710,161.80/20,253.06
  6. Step 6: Final answer
    x = 11,638.25

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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.