Home / 11,274.12-15,556.50-7,295.40

Finding the Fourth Proportional to 11,274.12, 15,556.50 and 7,295.40

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Solution

The fourth proportional to 11,274.12, 15,556.50 and 7,295.40 is: 10,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.12 : 15,556.50 = 7,295.40 : x
  2. Step 2: Convert to fraction form
    11,274.12/15,556.50 = 7,295.40/x
  3. Step 3: Cross multiply
    11,274.12x = 15,556.50 × 7,295.40
  4. Step 4: Simplify right side
    11,274.12x = 113,490,890.10
  5. Step 5: Solve for x
    x = 113,490,890.10/11,274.12
  6. Step 6: Final answer
    x = 10,066.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.