Home / 10,283.30-15,420.36-3,261.32

Finding the Fourth Proportional to 10,283.30, 15,420.36 and 3,261.32

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Solution

The fourth proportional to 10,283.30, 15,420.36 and 3,261.32 is: 4,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.30 : 15,420.36 = 3,261.32 : x
  2. Step 2: Convert to fraction form
    10,283.30/15,420.36 = 3,261.32/x
  3. Step 3: Cross multiply
    10,283.30x = 15,420.36 × 3,261.32
  4. Step 4: Simplify right side
    10,283.30x = 50,290,728.48
  5. Step 5: Solve for x
    x = 50,290,728.48/10,283.30
  6. Step 6: Final answer
    x = 4,890.52

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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.