Home / 9,020.85-12,503.35-8,501.74

Finding the Fourth Proportional to 9,020.85, 12,503.35 and 8,501.74

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Solution

The fourth proportional to 9,020.85, 12,503.35 and 8,501.74 is: 11,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.85 : 12,503.35 = 8,501.74 : x
  2. Step 2: Convert to fraction form
    9,020.85/12,503.35 = 8,501.74/x
  3. Step 3: Cross multiply
    9,020.85x = 12,503.35 × 8,501.74
  4. Step 4: Simplify right side
    9,020.85x = 106,300,230.83
  5. Step 5: Solve for x
    x = 106,300,230.83/9,020.85
  6. Step 6: Final answer
    x = 11,783.84

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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.