Home / 12,530.06-18,789.34-3,763.16

Finding the Fourth Proportional to 12,530.06, 18,789.34 and 3,763.16

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Solution

The fourth proportional to 12,530.06, 18,789.34 and 3,763.16 is: 5,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.06 : 18,789.34 = 3,763.16 : x
  2. Step 2: Convert to fraction form
    12,530.06/18,789.34 = 3,763.16/x
  3. Step 3: Cross multiply
    12,530.06x = 18,789.34 × 3,763.16
  4. Step 4: Simplify right side
    12,530.06x = 70,707,292.71
  5. Step 5: Solve for x
    x = 70,707,292.71/12,530.06
  6. Step 6: Final answer
    x = 5,643.01

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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.