Home / 18,707.38-25,816.03-10,209.31

Finding the Fourth Proportional to 18,707.38, 25,816.03 and 10,209.31

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Solution

The fourth proportional to 18,707.38, 25,816.03 and 10,209.31 is: 14,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.38 : 25,816.03 = 10,209.31 : x
  2. Step 2: Convert to fraction form
    18,707.38/25,816.03 = 10,209.31/x
  3. Step 3: Cross multiply
    18,707.38x = 25,816.03 × 10,209.31
  4. Step 4: Simplify right side
    18,707.38x = 263,563,853.24
  5. Step 5: Solve for x
    x = 263,563,853.24/18,707.38
  6. Step 6: Final answer
    x = 14,088.76

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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.