Home / 11,285.58-16,931.25-7,154.94

Finding the Fourth Proportional to 11,285.58, 16,931.25 and 7,154.94

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Solution

The fourth proportional to 11,285.58, 16,931.25 and 7,154.94 is: 10,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.58 : 16,931.25 = 7,154.94 : x
  2. Step 2: Convert to fraction form
    11,285.58/16,931.25 = 7,154.94/x
  3. Step 3: Cross multiply
    11,285.58x = 16,931.25 × 7,154.94
  4. Step 4: Simplify right side
    11,285.58x = 121,142,077.88
  5. Step 5: Solve for x
    x = 121,142,077.88/11,285.58
  6. Step 6: Final answer
    x = 10,734.24

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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.