Home / 9,813.20-14,719.78-2,417.80

Finding the Fourth Proportional to 9,813.20, 14,719.78 and 2,417.80

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Solution

The fourth proportional to 9,813.20, 14,719.78 and 2,417.80 is: 3,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.20 : 14,719.78 = 2,417.80 : x
  2. Step 2: Convert to fraction form
    9,813.20/14,719.78 = 2,417.80/x
  3. Step 3: Cross multiply
    9,813.20x = 14,719.78 × 2,417.80
  4. Step 4: Simplify right side
    9,813.20x = 35,589,484.08
  5. Step 5: Solve for x
    x = 35,589,484.08/9,813.20
  6. Step 6: Final answer
    x = 3,626.70

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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.