Home / 13,989.62-19,305.10-8,017.14

Finding the Fourth Proportional to 13,989.62, 19,305.10 and 8,017.14

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Solution

The fourth proportional to 13,989.62, 19,305.10 and 8,017.14 is: 11,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.62 : 19,305.10 = 8,017.14 : x
  2. Step 2: Convert to fraction form
    13,989.62/19,305.10 = 8,017.14/x
  3. Step 3: Cross multiply
    13,989.62x = 19,305.10 × 8,017.14
  4. Step 4: Simplify right side
    13,989.62x = 154,771,689.41
  5. Step 5: Solve for x
    x = 154,771,689.41/13,989.62
  6. Step 6: Final answer
    x = 11,063.32

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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.