Home / 13,015.83-19,509.76-5,623.77

Finding the Fourth Proportional to 13,015.83, 19,509.76 and 5,623.77

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Solution

The fourth proportional to 13,015.83, 19,509.76 and 5,623.77 is: 8,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.83 : 19,509.76 = 5,623.77 : x
  2. Step 2: Convert to fraction form
    13,015.83/19,509.76 = 5,623.77/x
  3. Step 3: Cross multiply
    13,015.83x = 19,509.76 × 5,623.77
  4. Step 4: Simplify right side
    13,015.83x = 109,718,403.00
  5. Step 5: Solve for x
    x = 109,718,403.00/13,015.83
  6. Step 6: Final answer
    x = 8,429.61

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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.