Home / 13,769.43-18,995.61-8,462.31

Finding the Fourth Proportional to 13,769.43, 18,995.61 and 8,462.31

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Solution

The fourth proportional to 13,769.43, 18,995.61 and 8,462.31 is: 11,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.43 : 18,995.61 = 8,462.31 : x
  2. Step 2: Convert to fraction form
    13,769.43/18,995.61 = 8,462.31/x
  3. Step 3: Cross multiply
    13,769.43x = 18,995.61 × 8,462.31
  4. Step 4: Simplify right side
    13,769.43x = 160,746,740.46
  5. Step 5: Solve for x
    x = 160,746,740.46/13,769.43
  6. Step 6: Final answer
    x = 11,674.18

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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.