Home / 10,186.40-15,259.84-7,513.14

Finding the Fourth Proportional to 10,186.40, 15,259.84 and 7,513.14

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Solution

The fourth proportional to 10,186.40, 15,259.84 and 7,513.14 is: 11,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.40 : 15,259.84 = 7,513.14 : x
  2. Step 2: Convert to fraction form
    10,186.40/15,259.84 = 7,513.14/x
  3. Step 3: Cross multiply
    10,186.40x = 15,259.84 × 7,513.14
  4. Step 4: Simplify right side
    10,186.40x = 114,649,314.30
  5. Step 5: Solve for x
    x = 114,649,314.30/10,186.40
  6. Step 6: Final answer
    x = 11,255.14

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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.