Home / 16,909.80-25,365.81-4,430.13

Finding the Fourth Proportional to 16,909.80, 25,365.81 and 4,430.13

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Solution

The fourth proportional to 16,909.80, 25,365.81 and 4,430.13 is: 6,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.80 : 25,365.81 = 4,430.13 : x
  2. Step 2: Convert to fraction form
    16,909.80/25,365.81 = 4,430.13/x
  3. Step 3: Cross multiply
    16,909.80x = 25,365.81 × 4,430.13
  4. Step 4: Simplify right side
    16,909.80x = 112,373,732.43
  5. Step 5: Solve for x
    x = 112,373,732.43/16,909.80
  6. Step 6: Final answer
    x = 6,645.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.