Home / 9,019.85-12,501.96-8,500.74

Finding the Fourth Proportional to 9,019.85, 12,501.96 and 8,500.74

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Solution

The fourth proportional to 9,019.85, 12,501.96 and 8,500.74 is: 11,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.85 : 12,501.96 = 8,500.74 : x
  2. Step 2: Convert to fraction form
    9,019.85/12,501.96 = 8,500.74/x
  3. Step 3: Cross multiply
    9,019.85x = 12,501.96 × 8,500.74
  4. Step 4: Simplify right side
    9,019.85x = 106,275,911.45
  5. Step 5: Solve for x
    x = 106,275,911.45/9,019.85
  6. Step 6: Final answer
    x = 11,782.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.