Home / 21,804.15-30,098.85-14,740.14

Finding the Fourth Proportional to 21,804.15, 30,098.85 and 14,740.14

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Solution

The fourth proportional to 21,804.15, 30,098.85 and 14,740.14 is: 20,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.15 : 30,098.85 = 14,740.14 : x
  2. Step 2: Convert to fraction form
    21,804.15/30,098.85 = 14,740.14/x
  3. Step 3: Cross multiply
    21,804.15x = 30,098.85 × 14,740.14
  4. Step 4: Simplify right side
    21,804.15x = 443,661,262.84
  5. Step 5: Solve for x
    x = 443,661,262.84/21,804.15
  6. Step 6: Final answer
    x = 20,347.56

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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.