Home / 10,840.48-16,260.12-3,820.84

Finding the Fourth Proportional to 10,840.48, 16,260.12 and 3,820.84

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Solution

The fourth proportional to 10,840.48, 16,260.12 and 3,820.84 is: 5,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.48 : 16,260.12 = 3,820.84 : x
  2. Step 2: Convert to fraction form
    10,840.48/16,260.12 = 3,820.84/x
  3. Step 3: Cross multiply
    10,840.48x = 16,260.12 × 3,820.84
  4. Step 4: Simplify right side
    10,840.48x = 62,127,316.90
  5. Step 5: Solve for x
    x = 62,127,316.90/10,840.48
  6. Step 6: Final answer
    x = 5,731.05

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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.