Home / 15,237.56-21,028.70-8,523.47

Finding the Fourth Proportional to 15,237.56, 21,028.70 and 8,523.47

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Solution

The fourth proportional to 15,237.56, 21,028.70 and 8,523.47 is: 11,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.56 : 21,028.70 = 8,523.47 : x
  2. Step 2: Convert to fraction form
    15,237.56/21,028.70 = 8,523.47/x
  3. Step 3: Cross multiply
    15,237.56x = 21,028.70 × 8,523.47
  4. Step 4: Simplify right side
    15,237.56x = 179,237,493.59
  5. Step 5: Solve for x
    x = 179,237,493.59/15,237.56
  6. Step 6: Final answer
    x = 11,762.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.