Home / 14,242.35-21,347.23-8,907.95

Finding the Fourth Proportional to 14,242.35, 21,347.23 and 8,907.95

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Solution

The fourth proportional to 14,242.35, 21,347.23 and 8,907.95 is: 13,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.35 : 21,347.23 = 8,907.95 : x
  2. Step 2: Convert to fraction form
    14,242.35/21,347.23 = 8,907.95/x
  3. Step 3: Cross multiply
    14,242.35x = 21,347.23 × 8,907.95
  4. Step 4: Simplify right side
    14,242.35x = 190,160,082.82
  5. Step 5: Solve for x
    x = 190,160,082.82/14,242.35
  6. Step 6: Final answer
    x = 13,351.74

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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.