Home / 11,345.10-16,995.78-5,505.84

Finding the Fourth Proportional to 11,345.10, 16,995.78 and 5,505.84

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Solution

The fourth proportional to 11,345.10, 16,995.78 and 5,505.84 is: 8,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.10 : 16,995.78 = 5,505.84 : x
  2. Step 2: Convert to fraction form
    11,345.10/16,995.78 = 5,505.84/x
  3. Step 3: Cross multiply
    11,345.10x = 16,995.78 × 5,505.84
  4. Step 4: Simplify right side
    11,345.10x = 93,576,045.36
  5. Step 5: Solve for x
    x = 93,576,045.36/11,345.10
  6. Step 6: Final answer
    x = 8,248.15

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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.