Home / 18,811.48-25,961.66-10,430.04

Finding the Fourth Proportional to 18,811.48, 25,961.66 and 10,430.04

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Solution

The fourth proportional to 18,811.48, 25,961.66 and 10,430.04 is: 14,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.48 : 25,961.66 = 10,430.04 : x
  2. Step 2: Convert to fraction form
    18,811.48/25,961.66 = 10,430.04/x
  3. Step 3: Cross multiply
    18,811.48x = 25,961.66 × 10,430.04
  4. Step 4: Simplify right side
    18,811.48x = 270,781,152.27
  5. Step 5: Solve for x
    x = 270,781,152.27/18,811.48
  6. Step 6: Final answer
    x = 14,394.46

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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.