Home / 10,852.40-16,278.60-3,456.80

Finding the Fourth Proportional to 10,852.40, 16,278.60 and 3,456.80

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Solution

The fourth proportional to 10,852.40, 16,278.60 and 3,456.80 is: 5,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.40 : 16,278.60 = 3,456.80 : x
  2. Step 2: Convert to fraction form
    10,852.40/16,278.60 = 3,456.80/x
  3. Step 3: Cross multiply
    10,852.40x = 16,278.60 × 3,456.80
  4. Step 4: Simplify right side
    10,852.40x = 56,271,864.48
  5. Step 5: Solve for x
    x = 56,271,864.48/10,852.40
  6. Step 6: Final answer
    x = 5,185.20

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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.