Home / 10,816.65-16,219.35-4,151.16

Finding the Fourth Proportional to 10,816.65, 16,219.35 and 4,151.16

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Solution

The fourth proportional to 10,816.65, 16,219.35 and 4,151.16 is: 6,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.65 : 16,219.35 = 4,151.16 : x
  2. Step 2: Convert to fraction form
    10,816.65/16,219.35 = 4,151.16/x
  3. Step 3: Cross multiply
    10,816.65x = 16,219.35 × 4,151.16
  4. Step 4: Simplify right side
    10,816.65x = 67,329,116.95
  5. Step 5: Solve for x
    x = 67,329,116.95/10,816.65
  6. Step 6: Final answer
    x = 6,224.58

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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.