Home / 21,267.21-31,898.53-6,476.25

Finding the Fourth Proportional to 21,267.21, 31,898.53 and 6,476.25

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Solution

The fourth proportional to 21,267.21, 31,898.53 and 6,476.25 is: 9,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.21 : 31,898.53 = 6,476.25 : x
  2. Step 2: Convert to fraction form
    21,267.21/31,898.53 = 6,476.25/x
  3. Step 3: Cross multiply
    21,267.21x = 31,898.53 × 6,476.25
  4. Step 4: Simplify right side
    21,267.21x = 206,583,000.84
  5. Step 5: Solve for x
    x = 206,583,000.84/21,267.21
  6. Step 6: Final answer
    x = 9,713.69

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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.