Home / 13,318.19-19,986.20-5,527.01

Finding the Fourth Proportional to 13,318.19, 19,986.20 and 5,527.01

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Solution

The fourth proportional to 13,318.19, 19,986.20 and 5,527.01 is: 8,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.19 : 19,986.20 = 5,527.01 : x
  2. Step 2: Convert to fraction form
    13,318.19/19,986.20 = 5,527.01/x
  3. Step 3: Cross multiply
    13,318.19x = 19,986.20 × 5,527.01
  4. Step 4: Simplify right side
    13,318.19x = 110,463,799.70
  5. Step 5: Solve for x
    x = 110,463,799.70/13,318.19
  6. Step 6: Final answer
    x = 8,294.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.