Home / 11,790.24-16,269.81-6,485.07

Finding the Fourth Proportional to 11,790.24, 16,269.81 and 6,485.07

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Solution

The fourth proportional to 11,790.24, 16,269.81 and 6,485.07 is: 8,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.24 : 16,269.81 = 6,485.07 : x
  2. Step 2: Convert to fraction form
    11,790.24/16,269.81 = 6,485.07/x
  3. Step 3: Cross multiply
    11,790.24x = 16,269.81 × 6,485.07
  4. Step 4: Simplify right side
    11,790.24x = 105,510,856.74
  5. Step 5: Solve for x
    x = 105,510,856.74/11,790.24
  6. Step 6: Final answer
    x = 8,949.00

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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.