Home / 10,753.87-16,130.77-2,857.18

Finding the Fourth Proportional to 10,753.87, 16,130.77 and 2,857.18

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Solution

The fourth proportional to 10,753.87, 16,130.77 and 2,857.18 is: 4,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.87 : 16,130.77 = 2,857.18 : x
  2. Step 2: Convert to fraction form
    10,753.87/16,130.77 = 2,857.18/x
  3. Step 3: Cross multiply
    10,753.87x = 16,130.77 × 2,857.18
  4. Step 4: Simplify right side
    10,753.87x = 46,088,432.77
  5. Step 5: Solve for x
    x = 46,088,432.77/10,753.87
  6. Step 6: Final answer
    x = 4,285.75

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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.