Home / 10,161.40-15,265.51-7,207.18

Finding the Fourth Proportional to 10,161.40, 15,265.51 and 7,207.18

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Solution

The fourth proportional to 10,161.40, 15,265.51 and 7,207.18 is: 10,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.40 : 15,265.51 = 7,207.18 : x
  2. Step 2: Convert to fraction form
    10,161.40/15,265.51 = 7,207.18/x
  3. Step 3: Cross multiply
    10,161.40x = 15,265.51 × 7,207.18
  4. Step 4: Simplify right side
    10,161.40x = 110,021,262.72
  5. Step 5: Solve for x
    x = 110,021,262.72/10,161.40
  6. Step 6: Final answer
    x = 10,827.37

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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.