Home / 14,368.38-19,828.36-8,080.75

Finding the Fourth Proportional to 14,368.38, 19,828.36 and 8,080.75

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Solution

The fourth proportional to 14,368.38, 19,828.36 and 8,080.75 is: 11,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.38 : 19,828.36 = 8,080.75 : x
  2. Step 2: Convert to fraction form
    14,368.38/19,828.36 = 8,080.75/x
  3. Step 3: Cross multiply
    14,368.38x = 19,828.36 × 8,080.75
  4. Step 4: Simplify right side
    14,368.38x = 160,228,020.07
  5. Step 5: Solve for x
    x = 160,228,020.07/14,368.38
  6. Step 6: Final answer
    x = 11,151.44

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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.