Home / 18,320.56-27,483.60-6,636.52

Finding the Fourth Proportional to 18,320.56, 27,483.60 and 6,636.52

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Solution

The fourth proportional to 18,320.56, 27,483.60 and 6,636.52 is: 9,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.56 : 27,483.60 = 6,636.52 : x
  2. Step 2: Convert to fraction form
    18,320.56/27,483.60 = 6,636.52/x
  3. Step 3: Cross multiply
    18,320.56x = 27,483.60 × 6,636.52
  4. Step 4: Simplify right side
    18,320.56x = 182,395,461.07
  5. Step 5: Solve for x
    x = 182,395,461.07/18,320.56
  6. Step 6: Final answer
    x = 9,955.78

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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.