Home / 13,345.10-19,998.20-7,503.38

Finding the Fourth Proportional to 13,345.10, 19,998.20 and 7,503.38

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Solution

The fourth proportional to 13,345.10, 19,998.20 and 7,503.38 is: 11,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.10 : 19,998.20 = 7,503.38 : x
  2. Step 2: Convert to fraction form
    13,345.10/19,998.20 = 7,503.38/x
  3. Step 3: Cross multiply
    13,345.10x = 19,998.20 × 7,503.38
  4. Step 4: Simplify right side
    13,345.10x = 150,054,093.92
  5. Step 5: Solve for x
    x = 150,054,093.92/13,345.10
  6. Step 6: Final answer
    x = 11,244.13

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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.