Home / 20,750.37-31,097.88-11,376.24

Finding the Fourth Proportional to 20,750.37, 31,097.88 and 11,376.24

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Solution

The fourth proportional to 20,750.37, 31,097.88 and 11,376.24 is: 17,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750.37 : 31,097.88 = 11,376.24 : x
  2. Step 2: Convert to fraction form
    20,750.37/31,097.88 = 11,376.24/x
  3. Step 3: Cross multiply
    20,750.37x = 31,097.88 × 11,376.24
  4. Step 4: Simplify right side
    20,750.37x = 353,776,946.37
  5. Step 5: Solve for x
    x = 353,776,946.37/20,750.37
  6. Step 6: Final answer
    x = 17,049.19

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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.