Home / 8,021.18-12,036.30-4,323.32

Finding the Fourth Proportional to 8,021.18, 12,036.30 and 4,323.32

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Solution

The fourth proportional to 8,021.18, 12,036.30 and 4,323.32 is: 6,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.18 : 12,036.30 = 4,323.32 : x
  2. Step 2: Convert to fraction form
    8,021.18/12,036.30 = 4,323.32/x
  3. Step 3: Cross multiply
    8,021.18x = 12,036.30 × 4,323.32
  4. Step 4: Simplify right side
    8,021.18x = 52,036,776.52
  5. Step 5: Solve for x
    x = 52,036,776.52/8,021.18
  6. Step 6: Final answer
    x = 6,487.42

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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.