Home / 14,051.56-21,076.85-3,521.67

Finding the Fourth Proportional to 14,051.56, 21,076.85 and 3,521.67

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Solution

The fourth proportional to 14,051.56, 21,076.85 and 3,521.67 is: 5,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.56 : 21,076.85 = 3,521.67 : x
  2. Step 2: Convert to fraction form
    14,051.56/21,076.85 = 3,521.67/x
  3. Step 3: Cross multiply
    14,051.56x = 21,076.85 × 3,521.67
  4. Step 4: Simplify right side
    14,051.56x = 74,225,710.34
  5. Step 5: Solve for x
    x = 74,225,710.34/14,051.56
  6. Step 6: Final answer
    x = 5,282.38

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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.