Home / 11,742.43-16,204.58-6,437.20

Finding the Fourth Proportional to 11,742.43, 16,204.58 and 6,437.20

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Solution

The fourth proportional to 11,742.43, 16,204.58 and 6,437.20 is: 8,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.43 : 16,204.58 = 6,437.20 : x
  2. Step 2: Convert to fraction form
    11,742.43/16,204.58 = 6,437.20/x
  3. Step 3: Cross multiply
    11,742.43x = 16,204.58 × 6,437.20
  4. Step 4: Simplify right side
    11,742.43x = 104,312,122.38
  5. Step 5: Solve for x
    x = 104,312,122.38/11,742.43
  6. Step 6: Final answer
    x = 8,883.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.