Home / 11,562.93-17,343.72-3,129.30

Finding the Fourth Proportional to 11,562.93, 17,343.72 and 3,129.30

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Solution

The fourth proportional to 11,562.93, 17,343.72 and 3,129.30 is: 4,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.93 : 17,343.72 = 3,129.30 : x
  2. Step 2: Convert to fraction form
    11,562.93/17,343.72 = 3,129.30/x
  3. Step 3: Cross multiply
    11,562.93x = 17,343.72 × 3,129.30
  4. Step 4: Simplify right side
    11,562.93x = 54,273,703.00
  5. Step 5: Solve for x
    x = 54,273,703.00/11,562.93
  6. Step 6: Final answer
    x = 4,693.77

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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.