Home / 15,237.16-21,028.36-8,523.42

Finding the Fourth Proportional to 15,237.16, 21,028.36 and 8,523.42

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Solution

The fourth proportional to 15,237.16, 21,028.36 and 8,523.42 is: 11,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.16 : 21,028.36 = 8,523.42 : x
  2. Step 2: Convert to fraction form
    15,237.16/21,028.36 = 8,523.42/x
  3. Step 3: Cross multiply
    15,237.16x = 21,028.36 × 8,523.42
  4. Step 4: Simplify right side
    15,237.16x = 179,233,544.19
  5. Step 5: Solve for x
    x = 179,233,544.19/15,237.16
  6. Step 6: Final answer
    x = 11,762.92

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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.