Home / 10,187.40-15,261.34-7,514.14

Finding the Fourth Proportional to 10,187.40, 15,261.34 and 7,514.14

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Solution

The fourth proportional to 10,187.40, 15,261.34 and 7,514.14 is: 11,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.40 : 15,261.34 = 7,514.14 : x
  2. Step 2: Convert to fraction form
    10,187.40/15,261.34 = 7,514.14/x
  3. Step 3: Cross multiply
    10,187.40x = 15,261.34 × 7,514.14
  4. Step 4: Simplify right side
    10,187.40x = 114,675,845.35
  5. Step 5: Solve for x
    x = 114,675,845.35/10,187.40
  6. Step 6: Final answer
    x = 11,256.64

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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.