Home / 10,383.30-14,321.10-6,402.96

Finding the Fourth Proportional to 10,383.30, 14,321.10 and 6,402.96

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Solution

The fourth proportional to 10,383.30, 14,321.10 and 6,402.96 is: 8,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.30 : 14,321.10 = 6,402.96 : x
  2. Step 2: Convert to fraction form
    10,383.30/14,321.10 = 6,402.96/x
  3. Step 3: Cross multiply
    10,383.30x = 14,321.10 × 6,402.96
  4. Step 4: Simplify right side
    10,383.30x = 91,697,430.46
  5. Step 5: Solve for x
    x = 91,697,430.46/10,383.30
  6. Step 6: Final answer
    x = 8,831.24

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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.