Home / 21,206.19-31,804.43-9,522.75

Finding the Fourth Proportional to 21,206.19, 31,804.43 and 9,522.75

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Solution

The fourth proportional to 21,206.19, 31,804.43 and 9,522.75 is: 14,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206.19 : 31,804.43 = 9,522.75 : x
  2. Step 2: Convert to fraction form
    21,206.19/31,804.43 = 9,522.75/x
  3. Step 3: Cross multiply
    21,206.19x = 31,804.43 × 9,522.75
  4. Step 4: Simplify right side
    21,206.19x = 302,865,588.17
  5. Step 5: Solve for x
    x = 302,865,588.17/21,206.19
  6. Step 6: Final answer
    x = 14,281.94

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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.