Home / 13,526.50-20,294.37-7,287.15

Finding the Fourth Proportional to 13,526.50, 20,294.37 and 7,287.15

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Solution

The fourth proportional to 13,526.50, 20,294.37 and 7,287.15 is: 10,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.50 : 20,294.37 = 7,287.15 : x
  2. Step 2: Convert to fraction form
    13,526.50/20,294.37 = 7,287.15/x
  3. Step 3: Cross multiply
    13,526.50x = 20,294.37 × 7,287.15
  4. Step 4: Simplify right side
    13,526.50x = 147,888,183.10
  5. Step 5: Solve for x
    x = 147,888,183.10/13,526.50
  6. Step 6: Final answer
    x = 10,933.22

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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.