Home / 10,261.72-15,395.19-2,866.20

Finding the Fourth Proportional to 10,261.72, 15,395.19 and 2,866.20

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Solution

The fourth proportional to 10,261.72, 15,395.19 and 2,866.20 is: 4,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.72 : 15,395.19 = 2,866.20 : x
  2. Step 2: Convert to fraction form
    10,261.72/15,395.19 = 2,866.20/x
  3. Step 3: Cross multiply
    10,261.72x = 15,395.19 × 2,866.20
  4. Step 4: Simplify right side
    10,261.72x = 44,125,693.58
  5. Step 5: Solve for x
    x = 44,125,693.58/10,261.72
  6. Step 6: Final answer
    x = 4,300.03

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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.