Home / 13,815.11-19,064.34-8,150.10

Finding the Fourth Proportional to 13,815.11, 19,064.34 and 8,150.10

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Solution

The fourth proportional to 13,815.11, 19,064.34 and 8,150.10 is: 11,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.11 : 19,064.34 = 8,150.10 : x
  2. Step 2: Convert to fraction form
    13,815.11/19,064.34 = 8,150.10/x
  3. Step 3: Cross multiply
    13,815.11x = 19,064.34 × 8,150.10
  4. Step 4: Simplify right side
    13,815.11x = 155,376,277.43
  5. Step 5: Solve for x
    x = 155,376,277.43/13,815.11
  6. Step 6: Final answer
    x = 11,246.84

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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.