Home / 10,320.96-14,252.32-9,201.92

Finding the Fourth Proportional to 10,320.96, 14,252.32 and 9,201.92

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Solution

The fourth proportional to 10,320.96, 14,252.32 and 9,201.92 is: 12,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.96 : 14,252.32 = 9,201.92 : x
  2. Step 2: Convert to fraction form
    10,320.96/14,252.32 = 9,201.92/x
  3. Step 3: Cross multiply
    10,320.96x = 14,252.32 × 9,201.92
  4. Step 4: Simplify right side
    10,320.96x = 131,148,708.45
  5. Step 5: Solve for x
    x = 131,148,708.45/10,320.96
  6. Step 6: Final answer
    x = 12,707.03

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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.