Home / 10,617.72-14,670.92-8,727.85

Finding the Fourth Proportional to 10,617.72, 14,670.92 and 8,727.85

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Solution

The fourth proportional to 10,617.72, 14,670.92 and 8,727.85 is: 12,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.72 : 14,670.92 = 8,727.85 : x
  2. Step 2: Convert to fraction form
    10,617.72/14,670.92 = 8,727.85/x
  3. Step 3: Cross multiply
    10,617.72x = 14,670.92 × 8,727.85
  4. Step 4: Simplify right side
    10,617.72x = 128,045,629.28
  5. Step 5: Solve for x
    x = 128,045,629.28/10,617.72
  6. Step 6: Final answer
    x = 12,059.62

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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.