Home / 10,146.40-15,220.82-4,302.25

Finding the Fourth Proportional to 10,146.40, 15,220.82 and 4,302.25

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Solution

The fourth proportional to 10,146.40, 15,220.82 and 4,302.25 is: 6,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.40 : 15,220.82 = 4,302.25 : x
  2. Step 2: Convert to fraction form
    10,146.40/15,220.82 = 4,302.25/x
  3. Step 3: Cross multiply
    10,146.40x = 15,220.82 × 4,302.25
  4. Step 4: Simplify right side
    10,146.40x = 65,483,751.33
  5. Step 5: Solve for x
    x = 65,483,751.33/10,146.40
  6. Step 6: Final answer
    x = 6,453.89

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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.