Home / 10,249.34-14,150.12-9,658.86

Finding the Fourth Proportional to 10,249.34, 14,150.12 and 9,658.86

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Solution

The fourth proportional to 10,249.34, 14,150.12 and 9,658.86 is: 13,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.34 : 14,150.12 = 9,658.86 : x
  2. Step 2: Convert to fraction form
    10,249.34/14,150.12 = 9,658.86/x
  3. Step 3: Cross multiply
    10,249.34x = 14,150.12 × 9,658.86
  4. Step 4: Simplify right side
    10,249.34x = 136,674,028.06
  5. Step 5: Solve for x
    x = 136,674,028.06/10,249.34
  6. Step 6: Final answer
    x = 13,334.91

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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.