Home / 11,276.80-16,894.12-9,439.72

Finding the Fourth Proportional to 11,276.80, 16,894.12 and 9,439.72

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Solution

The fourth proportional to 11,276.80, 16,894.12 and 9,439.72 is: 14,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.80 : 16,894.12 = 9,439.72 : x
  2. Step 2: Convert to fraction form
    11,276.80/16,894.12 = 9,439.72/x
  3. Step 3: Cross multiply
    11,276.80x = 16,894.12 × 9,439.72
  4. Step 4: Simplify right side
    11,276.80x = 159,475,762.45
  5. Step 5: Solve for x
    x = 159,475,762.45/11,276.80
  6. Step 6: Final answer
    x = 14,141.93

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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.