Home / 18,427.20-25,430.43-10,363.39

Finding the Fourth Proportional to 18,427.20, 25,430.43 and 10,363.39

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Solution

The fourth proportional to 18,427.20, 25,430.43 and 10,363.39 is: 14,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.20 : 25,430.43 = 10,363.39 : x
  2. Step 2: Convert to fraction form
    18,427.20/25,430.43 = 10,363.39/x
  3. Step 3: Cross multiply
    18,427.20x = 25,430.43 × 10,363.39
  4. Step 4: Simplify right side
    18,427.20x = 263,545,439.24
  5. Step 5: Solve for x
    x = 263,545,439.24/18,427.20
  6. Step 6: Final answer
    x = 14,301.98

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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.