Home / 18,754.32-28,125.81-6,271.14

Finding the Fourth Proportional to 18,754.32, 28,125.81 and 6,271.14

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Solution

The fourth proportional to 18,754.32, 28,125.81 and 6,271.14 is: 9,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.32 : 28,125.81 = 6,271.14 : x
  2. Step 2: Convert to fraction form
    18,754.32/28,125.81 = 6,271.14/x
  3. Step 3: Cross multiply
    18,754.32x = 28,125.81 × 6,271.14
  4. Step 4: Simplify right side
    18,754.32x = 176,380,892.12
  5. Step 5: Solve for x
    x = 176,380,892.12/18,754.32
  6. Step 6: Final answer
    x = 9,404.81

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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.