Home / 15,237.54-21,030.03-8,867.88

Finding the Fourth Proportional to 15,237.54, 21,030.03 and 8,867.88

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Solution

The fourth proportional to 15,237.54, 21,030.03 and 8,867.88 is: 12,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.54 : 21,030.03 = 8,867.88 : x
  2. Step 2: Convert to fraction form
    15,237.54/21,030.03 = 8,867.88/x
  3. Step 3: Cross multiply
    15,237.54x = 21,030.03 × 8,867.88
  4. Step 4: Simplify right side
    15,237.54x = 186,491,782.44
  5. Step 5: Solve for x
    x = 186,491,782.44/15,237.54
  6. Step 6: Final answer
    x = 12,238.97

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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.