Home / 18,790.32-25,935.30-10,837.32

Finding the Fourth Proportional to 18,790.32, 25,935.30 and 10,837.32

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Solution

The fourth proportional to 18,790.32, 25,935.30 and 10,837.32 is: 14,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.32 : 25,935.30 = 10,837.32 : x
  2. Step 2: Convert to fraction form
    18,790.32/25,935.30 = 10,837.32/x
  3. Step 3: Cross multiply
    18,790.32x = 25,935.30 × 10,837.32
  4. Step 4: Simplify right side
    18,790.32x = 281,069,145.40
  5. Step 5: Solve for x
    x = 281,069,145.40/18,790.32
  6. Step 6: Final answer
    x = 14,958.19

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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.