Home / 13,526.33-20,289.26-5,208.15

Finding the Fourth Proportional to 13,526.33, 20,289.26 and 5,208.15

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Solution

The fourth proportional to 13,526.33, 20,289.26 and 5,208.15 is: 7,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.33 : 20,289.26 = 5,208.15 : x
  2. Step 2: Convert to fraction form
    13,526.33/20,289.26 = 5,208.15/x
  3. Step 3: Cross multiply
    13,526.33x = 20,289.26 × 5,208.15
  4. Step 4: Simplify right side
    13,526.33x = 105,669,483.43
  5. Step 5: Solve for x
    x = 105,669,483.43/13,526.33
  6. Step 6: Final answer
    x = 7,812.14

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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.