Home / 18,513.64-27,770.46-4,663.72

Finding the Fourth Proportional to 18,513.64, 27,770.46 and 4,663.72

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Solution

The fourth proportional to 18,513.64, 27,770.46 and 4,663.72 is: 6,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.64 : 27,770.46 = 4,663.72 : x
  2. Step 2: Convert to fraction form
    18,513.64/27,770.46 = 4,663.72/x
  3. Step 3: Cross multiply
    18,513.64x = 27,770.46 × 4,663.72
  4. Step 4: Simplify right side
    18,513.64x = 129,513,649.71
  5. Step 5: Solve for x
    x = 129,513,649.71/18,513.64
  6. Step 6: Final answer
    x = 6,995.58

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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.