Home / 10,838.30-16,260.77-9,720.65

Finding the Fourth Proportional to 10,838.30, 16,260.77 and 9,720.65

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Solution

The fourth proportional to 10,838.30, 16,260.77 and 9,720.65 is: 14,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.30 : 16,260.77 = 9,720.65 : x
  2. Step 2: Convert to fraction form
    10,838.30/16,260.77 = 9,720.65/x
  3. Step 3: Cross multiply
    10,838.30x = 16,260.77 × 9,720.65
  4. Step 4: Simplify right side
    10,838.30x = 158,065,123.99
  5. Step 5: Solve for x
    x = 158,065,123.99/10,838.30
  6. Step 6: Final answer
    x = 14,583.95

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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.