Home / 13,582.04-20,280.14-12,167.33

Finding the Fourth Proportional to 13,582.04, 20,280.14 and 12,167.33

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Solution

The fourth proportional to 13,582.04, 20,280.14 and 12,167.33 is: 18,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.04 : 20,280.14 = 12,167.33 : x
  2. Step 2: Convert to fraction form
    13,582.04/20,280.14 = 12,167.33/x
  3. Step 3: Cross multiply
    13,582.04x = 20,280.14 × 12,167.33
  4. Step 4: Simplify right side
    13,582.04x = 246,754,993.59
  5. Step 5: Solve for x
    x = 246,754,993.59/13,582.04
  6. Step 6: Final answer
    x = 18,167.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.