Home / 13,003.30-19,511.70-6,077.80

Finding the Fourth Proportional to 13,003.30, 19,511.70 and 6,077.80

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Solution

The fourth proportional to 13,003.30, 19,511.70 and 6,077.80 is: 9,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.30 : 19,511.70 = 6,077.80 : x
  2. Step 2: Convert to fraction form
    13,003.30/19,511.70 = 6,077.80/x
  3. Step 3: Cross multiply
    13,003.30x = 19,511.70 × 6,077.80
  4. Step 4: Simplify right side
    13,003.30x = 118,588,210.26
  5. Step 5: Solve for x
    x = 118,588,210.26/13,003.30
  6. Step 6: Final answer
    x = 9,119.85

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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.