Home / 11,210.47-16,815.70-9,767.05

Finding the Fourth Proportional to 11,210.47, 16,815.70 and 9,767.05

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Solution

The fourth proportional to 11,210.47, 16,815.70 and 9,767.05 is: 14,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.47 : 16,815.70 = 9,767.05 : x
  2. Step 2: Convert to fraction form
    11,210.47/16,815.70 = 9,767.05/x
  3. Step 3: Cross multiply
    11,210.47x = 16,815.70 × 9,767.05
  4. Step 4: Simplify right side
    11,210.47x = 164,239,752.85
  5. Step 5: Solve for x
    x = 164,239,752.85/11,210.47
  6. Step 6: Final answer
    x = 14,650.57

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Double scale
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Similar ratio
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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.