Home / 10,763.83-14,853.40-6,288.85

Finding the Fourth Proportional to 10,763.83, 14,853.40 and 6,288.85

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Solution

The fourth proportional to 10,763.83, 14,853.40 and 6,288.85 is: 8,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.83 : 14,853.40 = 6,288.85 : x
  2. Step 2: Convert to fraction form
    10,763.83/14,853.40 = 6,288.85/x
  3. Step 3: Cross multiply
    10,763.83x = 14,853.40 × 6,288.85
  4. Step 4: Simplify right side
    10,763.83x = 93,410,804.59
  5. Step 5: Solve for x
    x = 93,410,804.59/10,763.83
  6. Step 6: Final answer
    x = 8,678.21

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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.