Home / 11,000.07-16,501.73-3,980.61

Finding the Fourth Proportional to 11,000.07, 16,501.73 and 3,980.61

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Solution

The fourth proportional to 11,000.07, 16,501.73 and 3,980.61 is: 5,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.07 : 16,501.73 = 3,980.61 : x
  2. Step 2: Convert to fraction form
    11,000.07/16,501.73 = 3,980.61/x
  3. Step 3: Cross multiply
    11,000.07x = 16,501.73 × 3,980.61
  4. Step 4: Simplify right side
    11,000.07x = 65,686,931.55
  5. Step 5: Solve for x
    x = 65,686,931.55/11,000.07
  6. Step 6: Final answer
    x = 5,971.50

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Half scale
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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.