Home / 13,343.58-19,997.46-10,385.58

Finding the Fourth Proportional to 13,343.58, 19,997.46 and 10,385.58

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Solution

The fourth proportional to 13,343.58, 19,997.46 and 10,385.58 is: 15,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.58 : 19,997.46 = 10,385.58 : x
  2. Step 2: Convert to fraction form
    13,343.58/19,997.46 = 10,385.58/x
  3. Step 3: Cross multiply
    13,343.58x = 19,997.46 × 10,385.58
  4. Step 4: Simplify right side
    13,343.58x = 207,685,220.63
  5. Step 5: Solve for x
    x = 207,685,220.63/13,343.58
  6. Step 6: Final answer
    x = 15,564.43

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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.