Home / 13,013.96-19,529.46-5,223.38

Finding the Fourth Proportional to 13,013.96, 19,529.46 and 5,223.38

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Solution

The fourth proportional to 13,013.96, 19,529.46 and 5,223.38 is: 7,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.96 : 19,529.46 = 5,223.38 : x
  2. Step 2: Convert to fraction form
    13,013.96/19,529.46 = 5,223.38/x
  3. Step 3: Cross multiply
    13,013.96x = 19,529.46 × 5,223.38
  4. Step 4: Simplify right side
    13,013.96x = 102,009,693.13
  5. Step 5: Solve for x
    x = 102,009,693.13/13,013.96
  6. Step 6: Final answer
    x = 7,838.49

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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.