Home / 13,795.80-19,030.32-8,486.88

Finding the Fourth Proportional to 13,795.80, 19,030.32 and 8,486.88

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Solution

The fourth proportional to 13,795.80, 19,030.32 and 8,486.88 is: 11,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.80 : 19,030.32 = 8,486.88 : x
  2. Step 2: Convert to fraction form
    13,795.80/19,030.32 = 8,486.88/x
  3. Step 3: Cross multiply
    13,795.80x = 19,030.32 × 8,486.88
  4. Step 4: Simplify right side
    13,795.80x = 161,508,042.20
  5. Step 5: Solve for x
    x = 161,508,042.20/13,795.80
  6. Step 6: Final answer
    x = 11,707.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.