Home / 18,434.28-25,473.70-15,707.36

Finding the Fourth Proportional to 18,434.28, 25,473.70 and 15,707.36

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Solution

The fourth proportional to 18,434.28, 25,473.70 and 15,707.36 is: 21,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.28 : 25,473.70 = 15,707.36 : x
  2. Step 2: Convert to fraction form
    18,434.28/25,473.70 = 15,707.36/x
  3. Step 3: Cross multiply
    18,434.28x = 25,473.70 × 15,707.36
  4. Step 4: Simplify right side
    18,434.28x = 400,124,576.43
  5. Step 5: Solve for x
    x = 400,124,576.43/18,434.28
  6. Step 6: Final answer
    x = 21,705.46

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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.