Home / 10,236.29-15,354.43-2,840.81

Finding the Fourth Proportional to 10,236.29, 15,354.43 and 2,840.81

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Solution

The fourth proportional to 10,236.29, 15,354.43 and 2,840.81 is: 4,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.29 : 15,354.43 = 2,840.81 : x
  2. Step 2: Convert to fraction form
    10,236.29/15,354.43 = 2,840.81/x
  3. Step 3: Cross multiply
    10,236.29x = 15,354.43 × 2,840.81
  4. Step 4: Simplify right side
    10,236.29x = 43,618,934.41
  5. Step 5: Solve for x
    x = 43,618,934.41/10,236.29
  6. Step 6: Final answer
    x = 4,261.21

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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.