Home / 13,153.70-18,157.56-7,849.28

Finding the Fourth Proportional to 13,153.70, 18,157.56 and 7,849.28

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Solution

The fourth proportional to 13,153.70, 18,157.56 and 7,849.28 is: 10,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.70 : 18,157.56 = 7,849.28 : x
  2. Step 2: Convert to fraction form
    13,153.70/18,157.56 = 7,849.28/x
  3. Step 3: Cross multiply
    13,153.70x = 18,157.56 × 7,849.28
  4. Step 4: Simplify right side
    13,153.70x = 142,523,772.56
  5. Step 5: Solve for x
    x = 142,523,772.56/13,153.70
  6. Step 6: Final answer
    x = 10,835.26

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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.