Home / 12,089.60-16,688.82-11,333.01

Finding the Fourth Proportional to 12,089.60, 16,688.82 and 11,333.01

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Solution

The fourth proportional to 12,089.60, 16,688.82 and 11,333.01 is: 15,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.60 : 16,688.82 = 11,333.01 : x
  2. Step 2: Convert to fraction form
    12,089.60/16,688.82 = 11,333.01/x
  3. Step 3: Cross multiply
    12,089.60x = 16,688.82 × 11,333.01
  4. Step 4: Simplify right side
    12,089.60x = 189,134,507.28
  5. Step 5: Solve for x
    x = 189,134,507.28/12,089.60
  6. Step 6: Final answer
    x = 15,644.40

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.