Home / 18,741.65-25,864.44-10,785.07

Finding the Fourth Proportional to 18,741.65, 25,864.44 and 10,785.07

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Solution

The fourth proportional to 18,741.65, 25,864.44 and 10,785.07 is: 14,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.65 : 25,864.44 = 10,785.07 : x
  2. Step 2: Convert to fraction form
    18,741.65/25,864.44 = 10,785.07/x
  3. Step 3: Cross multiply
    18,741.65x = 25,864.44 × 10,785.07
  4. Step 4: Simplify right side
    18,741.65x = 278,949,666.59
  5. Step 5: Solve for x
    x = 278,949,666.59/18,741.65
  6. Step 6: Final answer
    x = 14,883.94

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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.