Home / 18,765.48-28,126.33-10,957.89

Finding the Fourth Proportional to 18,765.48, 28,126.33 and 10,957.89

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Solution

The fourth proportional to 18,765.48, 28,126.33 and 10,957.89 is: 16,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.48 : 28,126.33 = 10,957.89 : x
  2. Step 2: Convert to fraction form
    18,765.48/28,126.33 = 10,957.89/x
  3. Step 3: Cross multiply
    18,765.48x = 28,126.33 × 10,957.89
  4. Step 4: Simplify right side
    18,765.48x = 308,205,230.24
  5. Step 5: Solve for x
    x = 308,205,230.24/18,765.48
  6. Step 6: Final answer
    x = 16,424.05

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1.5x scale

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.