Home / 9,000.96-12,421.38-5,021.85

Finding the Fourth Proportional to 9,000.96, 12,421.38 and 5,021.85

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Solution

The fourth proportional to 9,000.96, 12,421.38 and 5,021.85 is: 6,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.96 : 12,421.38 = 5,021.85 : x
  2. Step 2: Convert to fraction form
    9,000.96/12,421.38 = 5,021.85/x
  3. Step 3: Cross multiply
    9,000.96x = 12,421.38 × 5,021.85
  4. Step 4: Simplify right side
    9,000.96x = 62,378,307.15
  5. Step 5: Solve for x
    x = 62,378,307.15/9,000.96
  6. Step 6: Final answer
    x = 6,930.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.