Home / 13,897.80-20,848.84-4,661.64

Finding the Fourth Proportional to 13,897.80, 20,848.84 and 4,661.64

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Solution

The fourth proportional to 13,897.80, 20,848.84 and 4,661.64 is: 6,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.80 : 20,848.84 = 4,661.64 : x
  2. Step 2: Convert to fraction form
    13,897.80/20,848.84 = 4,661.64/x
  3. Step 3: Cross multiply
    13,897.80x = 20,848.84 × 4,661.64
  4. Step 4: Simplify right side
    13,897.80x = 97,189,786.50
  5. Step 5: Solve for x
    x = 97,189,786.50/13,897.80
  6. Step 6: Final answer
    x = 6,993.18

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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.