Home / 16,802.40-25,203.60-11,272.80

Finding the Fourth Proportional to 16,802.40, 25,203.60 and 11,272.80

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Solution

The fourth proportional to 16,802.40, 25,203.60 and 11,272.80 is: 16,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.40 : 25,203.60 = 11,272.80 : x
  2. Step 2: Convert to fraction form
    16,802.40/25,203.60 = 11,272.80/x
  3. Step 3: Cross multiply
    16,802.40x = 25,203.60 × 11,272.80
  4. Step 4: Simplify right side
    16,802.40x = 284,115,142.08
  5. Step 5: Solve for x
    x = 284,115,142.08/16,802.40
  6. Step 6: Final answer
    x = 16,909.20

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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.