Home / 11,242.11-16,840.58-5,602.78

Finding the Fourth Proportional to 11,242.11, 16,840.58 and 5,602.78

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Solution

The fourth proportional to 11,242.11, 16,840.58 and 5,602.78 is: 8,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.11 : 16,840.58 = 5,602.78 : x
  2. Step 2: Convert to fraction form
    11,242.11/16,840.58 = 5,602.78/x
  3. Step 3: Cross multiply
    11,242.11x = 16,840.58 × 5,602.78
  4. Step 4: Simplify right side
    11,242.11x = 94,354,064.81
  5. Step 5: Solve for x
    x = 94,354,064.81/11,242.11
  6. Step 6: Final answer
    x = 8,392.91

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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.