Home / 12,270.72-16,925.04-9,276.96

Finding the Fourth Proportional to 12,270.72, 16,925.04 and 9,276.96

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Solution

The fourth proportional to 12,270.72, 16,925.04 and 9,276.96 is: 12,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.72 : 16,925.04 = 9,276.96 : x
  2. Step 2: Convert to fraction form
    12,270.72/16,925.04 = 9,276.96/x
  3. Step 3: Cross multiply
    12,270.72x = 16,925.04 × 9,276.96
  4. Step 4: Simplify right side
    12,270.72x = 157,012,919.08
  5. Step 5: Solve for x
    x = 157,012,919.08/12,270.72
  6. Step 6: Final answer
    x = 12,795.74

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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.