Home / 13,189.15-19,790.64-5,798.80

Finding the Fourth Proportional to 13,189.15, 19,790.64 and 5,798.80

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Solution

The fourth proportional to 13,189.15, 19,790.64 and 5,798.80 is: 8,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.15 : 19,790.64 = 5,798.80 : x
  2. Step 2: Convert to fraction form
    13,189.15/19,790.64 = 5,798.80/x
  3. Step 3: Cross multiply
    13,189.15x = 19,790.64 × 5,798.80
  4. Step 4: Simplify right side
    13,189.15x = 114,761,898.72
  5. Step 5: Solve for x
    x = 114,761,898.72/13,189.15
  6. Step 6: Final answer
    x = 8,701.24

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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.