Home / 15,491.78-23,237.74-3,805.00

Finding the Fourth Proportional to 15,491.78, 23,237.74 and 3,805.00

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Solution

The fourth proportional to 15,491.78, 23,237.74 and 3,805.00 is: 5,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.78 : 23,237.74 = 3,805.00 : x
  2. Step 2: Convert to fraction form
    15,491.78/23,237.74 = 3,805.00/x
  3. Step 3: Cross multiply
    15,491.78x = 23,237.74 × 3,805.00
  4. Step 4: Simplify right side
    15,491.78x = 88,419,484.51
  5. Step 5: Solve for x
    x = 88,419,484.51/15,491.78
  6. Step 6: Final answer
    x = 5,707.51

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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.