Home / 13,039.53-19,559.46-8,625.45

Finding the Fourth Proportional to 13,039.53, 19,559.46 and 8,625.45

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Solution

The fourth proportional to 13,039.53, 19,559.46 and 8,625.45 is: 12,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.53 : 19,559.46 = 8,625.45 : x
  2. Step 2: Convert to fraction form
    13,039.53/19,559.46 = 8,625.45/x
  3. Step 3: Cross multiply
    13,039.53x = 19,559.46 × 8,625.45
  4. Step 4: Simplify right side
    13,039.53x = 168,709,144.26
  5. Step 5: Solve for x
    x = 168,709,144.26/13,039.53
  6. Step 6: Final answer
    x = 12,938.28

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1.5x scale

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.