Home / 10,933.77-15,052.10-10,431.62

Finding the Fourth Proportional to 10,933.77, 15,052.10 and 10,431.62

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Solution

The fourth proportional to 10,933.77, 15,052.10 and 10,431.62 is: 14,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.77 : 15,052.10 = 10,431.62 : x
  2. Step 2: Convert to fraction form
    10,933.77/15,052.10 = 10,431.62/x
  3. Step 3: Cross multiply
    10,933.77x = 15,052.10 × 10,431.62
  4. Step 4: Simplify right side
    10,933.77x = 157,017,801.10
  5. Step 5: Solve for x
    x = 157,017,801.10/10,933.77
  6. Step 6: Final answer
    x = 14,360.81

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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.