Home / 15,004.77-20,707.00-8,290.83

Finding the Fourth Proportional to 15,004.77, 20,707.00 and 8,290.83

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Solution

The fourth proportional to 15,004.77, 20,707.00 and 8,290.83 is: 11,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.77 : 20,707.00 = 8,290.83 : x
  2. Step 2: Convert to fraction form
    15,004.77/20,707.00 = 8,290.83/x
  3. Step 3: Cross multiply
    15,004.77x = 20,707.00 × 8,290.83
  4. Step 4: Simplify right side
    15,004.77x = 171,678,238.81
  5. Step 5: Solve for x
    x = 171,678,238.81/15,004.77
  6. Step 6: Final answer
    x = 11,441.58

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.