Home / 10,270.92-14,173.85-5,555.20

Finding the Fourth Proportional to 10,270.92, 14,173.85 and 5,555.20

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Solution

The fourth proportional to 10,270.92, 14,173.85 and 5,555.20 is: 7,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.92 : 14,173.85 = 5,555.20 : x
  2. Step 2: Convert to fraction form
    10,270.92/14,173.85 = 5,555.20/x
  3. Step 3: Cross multiply
    10,270.92x = 14,173.85 × 5,555.20
  4. Step 4: Simplify right side
    10,270.92x = 78,738,500.65
  5. Step 5: Solve for x
    x = 78,738,500.65/10,270.92
  6. Step 6: Final answer
    x = 7,666.16

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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.