Home / 13,015.49-19,526.88-5,229.77

Finding the Fourth Proportional to 13,015.49, 19,526.88 and 5,229.77

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Solution

The fourth proportional to 13,015.49, 19,526.88 and 5,229.77 is: 7,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.49 : 19,526.88 = 5,229.77 : x
  2. Step 2: Convert to fraction form
    13,015.49/19,526.88 = 5,229.77/x
  3. Step 3: Cross multiply
    13,015.49x = 19,526.88 × 5,229.77
  4. Step 4: Simplify right side
    13,015.49x = 102,121,091.22
  5. Step 5: Solve for x
    x = 102,121,091.22/13,015.49
  6. Step 6: Final answer
    x = 7,846.12

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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.