Home / 18,404.34-25,399.31-10,447.08

Finding the Fourth Proportional to 18,404.34, 25,399.31 and 10,447.08

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Solution

The fourth proportional to 18,404.34, 25,399.31 and 10,447.08 is: 14,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.34 : 25,399.31 = 10,447.08 : x
  2. Step 2: Convert to fraction form
    18,404.34/25,399.31 = 10,447.08/x
  3. Step 3: Cross multiply
    18,404.34x = 25,399.31 × 10,447.08
  4. Step 4: Simplify right side
    18,404.34x = 265,348,571.28
  5. Step 5: Solve for x
    x = 265,348,571.28/18,404.34
  6. Step 6: Final answer
    x = 14,417.72

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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.