Home / 18,701.37-28,054.22-8,700.93

Finding the Fourth Proportional to 18,701.37, 28,054.22 and 8,700.93

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Solution

The fourth proportional to 18,701.37, 28,054.22 and 8,700.93 is: 13,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.37 : 28,054.22 = 8,700.93 : x
  2. Step 2: Convert to fraction form
    18,701.37/28,054.22 = 8,700.93/x
  3. Step 3: Cross multiply
    18,701.37x = 28,054.22 × 8,700.93
  4. Step 4: Simplify right side
    18,701.37x = 244,097,760.92
  5. Step 5: Solve for x
    x = 244,097,760.92/18,701.37
  6. Step 6: Final answer
    x = 13,052.40

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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.