Home / 18,700.98-28,045.38-6,217.67

Finding the Fourth Proportional to 18,700.98, 28,045.38 and 6,217.67

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Solution

The fourth proportional to 18,700.98, 28,045.38 and 6,217.67 is: 9,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.98 : 28,045.38 = 6,217.67 : x
  2. Step 2: Convert to fraction form
    18,700.98/28,045.38 = 6,217.67/x
  3. Step 3: Cross multiply
    18,700.98x = 28,045.38 × 6,217.67
  4. Step 4: Simplify right side
    18,700.98x = 174,376,777.64
  5. Step 5: Solve for x
    x = 174,376,777.64/18,700.98
  6. Step 6: Final answer
    x = 9,324.47

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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.