Home / 14,205.83-21,308.73-4,345.10

Finding the Fourth Proportional to 14,205.83, 21,308.73 and 4,345.10

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Solution

The fourth proportional to 14,205.83, 21,308.73 and 4,345.10 is: 6,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.83 : 21,308.73 = 4,345.10 : x
  2. Step 2: Convert to fraction form
    14,205.83/21,308.73 = 4,345.10/x
  3. Step 3: Cross multiply
    14,205.83x = 21,308.73 × 4,345.10
  4. Step 4: Simplify right side
    14,205.83x = 92,588,562.72
  5. Step 5: Solve for x
    x = 92,588,562.72/14,205.83
  6. Step 6: Final answer
    x = 6,517.65

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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.