Home / 16,987.60-25,465.20-13,237.30

Finding the Fourth Proportional to 16,987.60, 25,465.20 and 13,237.30

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Solution

The fourth proportional to 16,987.60, 25,465.20 and 13,237.30 is: 19,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.60 : 25,465.20 = 13,237.30 : x
  2. Step 2: Convert to fraction form
    16,987.60/25,465.20 = 13,237.30/x
  3. Step 3: Cross multiply
    16,987.60x = 25,465.20 × 13,237.30
  4. Step 4: Simplify right side
    16,987.60x = 337,090,491.96
  5. Step 5: Solve for x
    x = 337,090,491.96/16,987.60
  6. Step 6: Final answer
    x = 19,843.33

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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.