Home / 18,713.16-28,074.84-6,235.20

Finding the Fourth Proportional to 18,713.16, 28,074.84 and 6,235.20

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Solution

The fourth proportional to 18,713.16, 28,074.84 and 6,235.20 is: 9,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.16 : 28,074.84 = 6,235.20 : x
  2. Step 2: Convert to fraction form
    18,713.16/28,074.84 = 6,235.20/x
  3. Step 3: Cross multiply
    18,713.16x = 28,074.84 × 6,235.20
  4. Step 4: Simplify right side
    18,713.16x = 175,052,242.37
  5. Step 5: Solve for x
    x = 175,052,242.37/18,713.16
  6. Step 6: Final answer
    x = 9,354.50

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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.