Home / 18,133.96-27,196.44-4,985.68

Finding the Fourth Proportional to 18,133.96, 27,196.44 and 4,985.68

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Solution

The fourth proportional to 18,133.96, 27,196.44 and 4,985.68 is: 7,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.96 : 27,196.44 = 4,985.68 : x
  2. Step 2: Convert to fraction form
    18,133.96/27,196.44 = 4,985.68/x
  3. Step 3: Cross multiply
    18,133.96x = 27,196.44 × 4,985.68
  4. Step 4: Simplify right side
    18,133.96x = 135,592,746.98
  5. Step 5: Solve for x
    x = 135,592,746.98/18,133.96
  6. Step 6: Final answer
    x = 7,477.28

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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.