Home / 11,219.04-16,828.80-6,276.40

Finding the Fourth Proportional to 11,219.04, 16,828.80 and 6,276.40

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Solution

The fourth proportional to 11,219.04, 16,828.80 and 6,276.40 is: 9,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.04 : 16,828.80 = 6,276.40 : x
  2. Step 2: Convert to fraction form
    11,219.04/16,828.80 = 6,276.40/x
  3. Step 3: Cross multiply
    11,219.04x = 16,828.80 × 6,276.40
  4. Step 4: Simplify right side
    11,219.04x = 105,624,280.32
  5. Step 5: Solve for x
    x = 105,624,280.32/11,219.04
  6. Step 6: Final answer
    x = 9,414.73

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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.