Home / 11,245.41-16,875.63-4,671.57

Finding the Fourth Proportional to 11,245.41, 16,875.63 and 4,671.57

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Solution

The fourth proportional to 11,245.41, 16,875.63 and 4,671.57 is: 7,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.41 : 16,875.63 = 4,671.57 : x
  2. Step 2: Convert to fraction form
    11,245.41/16,875.63 = 4,671.57/x
  3. Step 3: Cross multiply
    11,245.41x = 16,875.63 × 4,671.57
  4. Step 4: Simplify right side
    11,245.41x = 78,835,686.84
  5. Step 5: Solve for x
    x = 78,835,686.84/11,245.41
  6. Step 6: Final answer
    x = 7,010.48

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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.