Home / 11,005.10-16,507.65-5,756.30

Finding the Fourth Proportional to 11,005.10, 16,507.65 and 5,756.30

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Solution

The fourth proportional to 11,005.10, 16,507.65 and 5,756.30 is: 8,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.10 : 16,507.65 = 5,756.30 : x
  2. Step 2: Convert to fraction form
    11,005.10/16,507.65 = 5,756.30/x
  3. Step 3: Cross multiply
    11,005.10x = 16,507.65 × 5,756.30
  4. Step 4: Simplify right side
    11,005.10x = 95,022,985.70
  5. Step 5: Solve for x
    x = 95,022,985.70/11,005.10
  6. Step 6: Final answer
    x = 8,634.45

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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.