Home / 13,680.93-20,494.61-12,193.26

Finding the Fourth Proportional to 13,680.93, 20,494.61 and 12,193.26

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Solution

The fourth proportional to 13,680.93, 20,494.61 and 12,193.26 is: 18,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,680.93 : 20,494.61 = 12,193.26 : x
  2. Step 2: Convert to fraction form
    13,680.93/20,494.61 = 12,193.26/x
  3. Step 3: Cross multiply
    13,680.93x = 20,494.61 × 12,193.26
  4. Step 4: Simplify right side
    13,680.93x = 249,896,047.36
  5. Step 5: Solve for x
    x = 249,896,047.36/13,680.93
  6. Step 6: Final answer
    x = 18,266.01

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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.