Home / 10,728.18-14,805.18-6,012.77

Finding the Fourth Proportional to 10,728.18, 14,805.18 and 6,012.77

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Solution

The fourth proportional to 10,728.18, 14,805.18 and 6,012.77 is: 8,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.18 : 14,805.18 = 6,012.77 : x
  2. Step 2: Convert to fraction form
    10,728.18/14,805.18 = 6,012.77/x
  3. Step 3: Cross multiply
    10,728.18x = 14,805.18 × 6,012.77
  4. Step 4: Simplify right side
    10,728.18x = 89,020,068.12
  5. Step 5: Solve for x
    x = 89,020,068.12/10,728.18
  6. Step 6: Final answer
    x = 8,297.78

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Half scale
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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.