Home / 22,241.60-33,336.48-12,988.16

Finding the Fourth Proportional to 22,241.60, 33,336.48 and 12,988.16

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Solution

The fourth proportional to 22,241.60, 33,336.48 and 12,988.16 is: 19,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.60 : 33,336.48 = 12,988.16 : x
  2. Step 2: Convert to fraction form
    22,241.60/33,336.48 = 12,988.16/x
  3. Step 3: Cross multiply
    22,241.60x = 33,336.48 × 12,988.16
  4. Step 4: Simplify right side
    22,241.60x = 432,979,536.08
  5. Step 5: Solve for x
    x = 432,979,536.08/22,241.60
  6. Step 6: Final answer
    x = 19,467.10

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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.