Home / 10,342.22-15,513.60-2,946.80

Finding the Fourth Proportional to 10,342.22, 15,513.60 and 2,946.80

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Solution

The fourth proportional to 10,342.22, 15,513.60 and 2,946.80 is: 4,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.22 : 15,513.60 = 2,946.80 : x
  2. Step 2: Convert to fraction form
    10,342.22/15,513.60 = 2,946.80/x
  3. Step 3: Cross multiply
    10,342.22x = 15,513.60 × 2,946.80
  4. Step 4: Simplify right side
    10,342.22x = 45,715,476.48
  5. Step 5: Solve for x
    x = 45,715,476.48/10,342.22
  6. Step 6: Final answer
    x = 4,420.28

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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.