Home / 18,516.64-27,774.96-4,666.72

Finding the Fourth Proportional to 18,516.64, 27,774.96 and 4,666.72

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Solution

The fourth proportional to 18,516.64, 27,774.96 and 4,666.72 is: 7,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.64 : 27,774.96 = 4,666.72 : x
  2. Step 2: Convert to fraction form
    18,516.64/27,774.96 = 4,666.72/x
  3. Step 3: Cross multiply
    18,516.64x = 27,774.96 × 4,666.72
  4. Step 4: Simplify right side
    18,516.64x = 129,617,961.33
  5. Step 5: Solve for x
    x = 129,617,961.33/18,516.64
  6. Step 6: Final answer
    x = 7,000.08

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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.