Home / 16,742.50-25,113.75-4,430.50

Finding the Fourth Proportional to 16,742.50, 25,113.75 and 4,430.50

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Solution

The fourth proportional to 16,742.50, 25,113.75 and 4,430.50 is: 6,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.50 : 25,113.75 = 4,430.50 : x
  2. Step 2: Convert to fraction form
    16,742.50/25,113.75 = 4,430.50/x
  3. Step 3: Cross multiply
    16,742.50x = 25,113.75 × 4,430.50
  4. Step 4: Simplify right side
    16,742.50x = 111,266,469.38
  5. Step 5: Solve for x
    x = 111,266,469.38/16,742.50
  6. Step 6: Final answer
    x = 6,645.75

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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.