Home / 14,759.83-20,369.03-8,386.30

Finding the Fourth Proportional to 14,759.83, 20,369.03 and 8,386.30

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Solution

The fourth proportional to 14,759.83, 20,369.03 and 8,386.30 is: 11,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.83 : 20,369.03 = 8,386.30 : x
  2. Step 2: Convert to fraction form
    14,759.83/20,369.03 = 8,386.30/x
  3. Step 3: Cross multiply
    14,759.83x = 20,369.03 × 8,386.30
  4. Step 4: Simplify right side
    14,759.83x = 170,820,796.29
  5. Step 5: Solve for x
    x = 170,820,796.29/14,759.83
  6. Step 6: Final answer
    x = 11,573.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.