Home / 14,570.03-21,867.80-5,811.09

Finding the Fourth Proportional to 14,570.03, 21,867.80 and 5,811.09

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Solution

The fourth proportional to 14,570.03, 21,867.80 and 5,811.09 is: 8,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.03 : 21,867.80 = 5,811.09 : x
  2. Step 2: Convert to fraction form
    14,570.03/21,867.80 = 5,811.09/x
  3. Step 3: Cross multiply
    14,570.03x = 21,867.80 × 5,811.09
  4. Step 4: Simplify right side
    14,570.03x = 127,075,724.85
  5. Step 5: Solve for x
    x = 127,075,724.85/14,570.03
  6. Step 6: Final answer
    x = 8,721.72

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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.