Home / 20,744.15-31,097.52-14,082.91

Finding the Fourth Proportional to 20,744.15, 31,097.52 and 14,082.91

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Solution

The fourth proportional to 20,744.15, 31,097.52 and 14,082.91 is: 21,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.15 : 31,097.52 = 14,082.91 : x
  2. Step 2: Convert to fraction form
    20,744.15/31,097.52 = 14,082.91/x
  3. Step 3: Cross multiply
    20,744.15x = 31,097.52 × 14,082.91
  4. Step 4: Simplify right side
    20,744.15x = 437,943,497.64
  5. Step 5: Solve for x
    x = 437,943,497.64/20,744.15
  6. Step 6: Final answer
    x = 21,111.67

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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.