Home / 13,110.48-19,665.72-4,790.88

Finding the Fourth Proportional to 13,110.48, 19,665.72 and 4,790.88

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Solution

The fourth proportional to 13,110.48, 19,665.72 and 4,790.88 is: 7,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.48 : 19,665.72 = 4,790.88 : x
  2. Step 2: Convert to fraction form
    13,110.48/19,665.72 = 4,790.88/x
  3. Step 3: Cross multiply
    13,110.48x = 19,665.72 × 4,790.88
  4. Step 4: Simplify right side
    13,110.48x = 94,216,104.63
  5. Step 5: Solve for x
    x = 94,216,104.63/13,110.48
  6. Step 6: Final answer
    x = 7,186.32

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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.