Home / 13,815.46-19,065.33-7,527.83

Finding the Fourth Proportional to 13,815.46, 19,065.33 and 7,527.83

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Solution

The fourth proportional to 13,815.46, 19,065.33 and 7,527.83 is: 10,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.46 : 19,065.33 = 7,527.83 : x
  2. Step 2: Convert to fraction form
    13,815.46/19,065.33 = 7,527.83/x
  3. Step 3: Cross multiply
    13,815.46x = 19,065.33 × 7,527.83
  4. Step 4: Simplify right side
    13,815.46x = 143,520,563.13
  5. Step 5: Solve for x
    x = 143,520,563.13/13,815.46
  6. Step 6: Final answer
    x = 10,388.40

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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.