Home / 13,549.07-20,323.47-3,688.20

Finding the Fourth Proportional to 13,549.07, 20,323.47 and 3,688.20

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Solution

The fourth proportional to 13,549.07, 20,323.47 and 3,688.20 is: 5,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.07 : 20,323.47 = 3,688.20 : x
  2. Step 2: Convert to fraction form
    13,549.07/20,323.47 = 3,688.20/x
  3. Step 3: Cross multiply
    13,549.07x = 20,323.47 × 3,688.20
  4. Step 4: Simplify right side
    13,549.07x = 74,957,035.88
  5. Step 5: Solve for x
    x = 74,957,035.88/13,549.07
  6. Step 6: Final answer
    x = 5,532.26

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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.