Home / 10,852.80-16,284.60-4,279.20

Finding the Fourth Proportional to 10,852.80, 16,284.60 and 4,279.20

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Solution

The fourth proportional to 10,852.80, 16,284.60 and 4,279.20 is: 6,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.80 : 16,284.60 = 4,279.20 : x
  2. Step 2: Convert to fraction form
    10,852.80/16,284.60 = 4,279.20/x
  3. Step 3: Cross multiply
    10,852.80x = 16,284.60 × 4,279.20
  4. Step 4: Simplify right side
    10,852.80x = 69,685,060.32
  5. Step 5: Solve for x
    x = 69,685,060.32/10,852.80
  6. Step 6: Final answer
    x = 6,420.93

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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.