Home / 10,727.40-16,058.70-9,431.40

Finding the Fourth Proportional to 10,727.40, 16,058.70 and 9,431.40

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Solution

The fourth proportional to 10,727.40, 16,058.70 and 9,431.40 is: 14,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.40 : 16,058.70 = 9,431.40 : x
  2. Step 2: Convert to fraction form
    10,727.40/16,058.70 = 9,431.40/x
  3. Step 3: Cross multiply
    10,727.40x = 16,058.70 × 9,431.40
  4. Step 4: Simplify right side
    10,727.40x = 151,456,023.18
  5. Step 5: Solve for x
    x = 151,456,023.18/10,727.40
  6. Step 6: Final answer
    x = 14,118.61

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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.