Home / 14,045.26-21,069.10-3,657

Finding the Fourth Proportional to 14,045.26, 21,069.10 and 3,657

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Solution

The fourth proportional to 14,045.26, 21,069.10 and 3,657 is: 5,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.26 : 21,069.10 = 3,657 : x
  2. Step 2: Convert to fraction form
    14,045.26/21,069.10 = 3,657/x
  3. Step 3: Cross multiply
    14,045.26x = 21,069.10 × 3,657
  4. Step 4: Simplify right side
    14,045.26x = 77,049,698.70
  5. Step 5: Solve for x
    x = 77,049,698.70/14,045.26
  6. Step 6: Final answer
    x = 5,485.82

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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.