Home / 13,429.98-18,527.41-8,949.36

Finding the Fourth Proportional to 13,429.98, 18,527.41 and 8,949.36

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Solution

The fourth proportional to 13,429.98, 18,527.41 and 8,949.36 is: 12,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.98 : 18,527.41 = 8,949.36 : x
  2. Step 2: Convert to fraction form
    13,429.98/18,527.41 = 8,949.36/x
  3. Step 3: Cross multiply
    13,429.98x = 18,527.41 × 8,949.36
  4. Step 4: Simplify right side
    13,429.98x = 165,808,461.96
  5. Step 5: Solve for x
    x = 165,808,461.96/13,429.98
  6. Step 6: Final answer
    x = 12,346.14

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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.