Home / 15,056.94-20,777.72-8,342.18

Finding the Fourth Proportional to 15,056.94, 20,777.72 and 8,342.18

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Solution

The fourth proportional to 15,056.94, 20,777.72 and 8,342.18 is: 11,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.94 : 20,777.72 = 8,342.18 : x
  2. Step 2: Convert to fraction form
    15,056.94/20,777.72 = 8,342.18/x
  3. Step 3: Cross multiply
    15,056.94x = 20,777.72 × 8,342.18
  4. Step 4: Simplify right side
    15,056.94x = 173,331,334.63
  5. Step 5: Solve for x
    x = 173,331,334.63/15,056.94
  6. Step 6: Final answer
    x = 11,511.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.