Home / 21,368.70-32,046.21-7,134.12

Finding the Fourth Proportional to 21,368.70, 32,046.21 and 7,134.12

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Solution

The fourth proportional to 21,368.70, 32,046.21 and 7,134.12 is: 10,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.70 : 32,046.21 = 7,134.12 : x
  2. Step 2: Convert to fraction form
    21,368.70/32,046.21 = 7,134.12/x
  3. Step 3: Cross multiply
    21,368.70x = 32,046.21 × 7,134.12
  4. Step 4: Simplify right side
    21,368.70x = 228,621,507.69
  5. Step 5: Solve for x
    x = 228,621,507.69/21,368.70
  6. Step 6: Final answer
    x = 10,698.90

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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.