Home / 10,976.04-16,440.30-6,817.05

Finding the Fourth Proportional to 10,976.04, 16,440.30 and 6,817.05

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Solution

The fourth proportional to 10,976.04, 16,440.30 and 6,817.05 is: 10,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.04 : 16,440.30 = 6,817.05 : x
  2. Step 2: Convert to fraction form
    10,976.04/16,440.30 = 6,817.05/x
  3. Step 3: Cross multiply
    10,976.04x = 16,440.30 × 6,817.05
  4. Step 4: Simplify right side
    10,976.04x = 112,074,347.12
  5. Step 5: Solve for x
    x = 112,074,347.12/10,976.04
  6. Step 6: Final answer
    x = 10,210.82

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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.