Home / 15,645.36-23,350.53-13,527.64

Finding the Fourth Proportional to 15,645.36, 23,350.53 and 13,527.64

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Solution

The fourth proportional to 15,645.36, 23,350.53 and 13,527.64 is: 20,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.36 : 23,350.53 = 13,527.64 : x
  2. Step 2: Convert to fraction form
    15,645.36/23,350.53 = 13,527.64/x
  3. Step 3: Cross multiply
    15,645.36x = 23,350.53 × 13,527.64
  4. Step 4: Simplify right side
    15,645.36x = 315,877,563.65
  5. Step 5: Solve for x
    x = 315,877,563.65/15,645.36
  6. Step 6: Final answer
    x = 20,189.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.