Home / 15,098.85-20,839.01-8,814.33

Finding the Fourth Proportional to 15,098.85, 20,839.01 and 8,814.33

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Solution

The fourth proportional to 15,098.85, 20,839.01 and 8,814.33 is: 12,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098.85 : 20,839.01 = 8,814.33 : x
  2. Step 2: Convert to fraction form
    15,098.85/20,839.01 = 8,814.33/x
  3. Step 3: Cross multiply
    15,098.85x = 20,839.01 × 8,814.33
  4. Step 4: Simplify right side
    15,098.85x = 183,681,866.94
  5. Step 5: Solve for x
    x = 183,681,866.94/15,098.85
  6. Step 6: Final answer
    x = 12,165.29

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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.