Home / 13,526.19-20,289.22-3,665.45

Finding the Fourth Proportional to 13,526.19, 20,289.22 and 3,665.45

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Solution

The fourth proportional to 13,526.19, 20,289.22 and 3,665.45 is: 5,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.19 : 20,289.22 = 3,665.45 : x
  2. Step 2: Convert to fraction form
    13,526.19/20,289.22 = 3,665.45/x
  3. Step 3: Cross multiply
    13,526.19x = 20,289.22 × 3,665.45
  4. Step 4: Simplify right side
    13,526.19x = 74,369,163.01
  5. Step 5: Solve for x
    x = 74,369,163.01/13,526.19
  6. Step 6: Final answer
    x = 5,498.16

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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.