Home / 13,036.32-19,550.63-5,639.00

Finding the Fourth Proportional to 13,036.32, 19,550.63 and 5,639.00

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Solution

The fourth proportional to 13,036.32, 19,550.63 and 5,639.00 is: 8,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.32 : 19,550.63 = 5,639.00 : x
  2. Step 2: Convert to fraction form
    13,036.32/19,550.63 = 5,639.00/x
  3. Step 3: Cross multiply
    13,036.32x = 19,550.63 × 5,639.00
  4. Step 4: Simplify right side
    13,036.32x = 110,245,876.62
  5. Step 5: Solve for x
    x = 110,245,876.62/13,036.32
  6. Step 6: Final answer
    x = 8,456.82

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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.