Home / 12,789.16-19,184.30-4,470.04

Finding the Fourth Proportional to 12,789.16, 19,184.30 and 4,470.04

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Solution

The fourth proportional to 12,789.16, 19,184.30 and 4,470.04 is: 6,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.16 : 19,184.30 = 4,470.04 : x
  2. Step 2: Convert to fraction form
    12,789.16/19,184.30 = 4,470.04/x
  3. Step 3: Cross multiply
    12,789.16x = 19,184.30 × 4,470.04
  4. Step 4: Simplify right side
    12,789.16x = 85,754,588.37
  5. Step 5: Solve for x
    x = 85,754,588.37/12,789.16
  6. Step 6: Final answer
    x = 6,705.26

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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.