Home / 25,307.09-37,965.24-12,663.45

Finding the Fourth Proportional to 25,307.09, 37,965.24 and 12,663.45

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Solution

The fourth proportional to 25,307.09, 37,965.24 and 12,663.45 is: 18,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.09 : 37,965.24 = 12,663.45 : x
  2. Step 2: Convert to fraction form
    25,307.09/37,965.24 = 12,663.45/x
  3. Step 3: Cross multiply
    25,307.09x = 37,965.24 × 12,663.45
  4. Step 4: Simplify right side
    25,307.09x = 480,770,918.48
  5. Step 5: Solve for x
    x = 480,770,918.48/25,307.09
  6. Step 6: Final answer
    x = 18,997.48

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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.