Home / 18,556.45-27,827.76-7,459.40

Finding the Fourth Proportional to 18,556.45, 27,827.76 and 7,459.40

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Solution

The fourth proportional to 18,556.45, 27,827.76 and 7,459.40 is: 11,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.45 : 27,827.76 = 7,459.40 : x
  2. Step 2: Convert to fraction form
    18,556.45/27,827.76 = 7,459.40/x
  3. Step 3: Cross multiply
    18,556.45x = 27,827.76 × 7,459.40
  4. Step 4: Simplify right side
    18,556.45x = 207,578,392.94
  5. Step 5: Solve for x
    x = 207,578,392.94/18,556.45
  6. Step 6: Final answer
    x = 11,186.32

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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.