Home / 8,513.17-12,769.74-2,670.23

Finding the Fourth Proportional to 8,513.17, 12,769.74 and 2,670.23

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Solution

The fourth proportional to 8,513.17, 12,769.74 and 2,670.23 is: 4,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.17 : 12,769.74 = 2,670.23 : x
  2. Step 2: Convert to fraction form
    8,513.17/12,769.74 = 2,670.23/x
  3. Step 3: Cross multiply
    8,513.17x = 12,769.74 × 2,670.23
  4. Step 4: Simplify right side
    8,513.17x = 34,098,142.84
  5. Step 5: Solve for x
    x = 34,098,142.84/8,513.17
  6. Step 6: Final answer
    x = 4,005.34

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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.