Home / 12,329.32-18,501.26-6,486.38

Finding the Fourth Proportional to 12,329.32, 18,501.26 and 6,486.38

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Solution

The fourth proportional to 12,329.32, 18,501.26 and 6,486.38 is: 9,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.32 : 18,501.26 = 6,486.38 : x
  2. Step 2: Convert to fraction form
    12,329.32/18,501.26 = 6,486.38/x
  3. Step 3: Cross multiply
    12,329.32x = 18,501.26 × 6,486.38
  4. Step 4: Simplify right side
    12,329.32x = 120,006,202.84
  5. Step 5: Solve for x
    x = 120,006,202.84/12,329.32
  6. Step 6: Final answer
    x = 9,733.40

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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.