Home / 14,460.24-21,707.60-8,619.60

Finding the Fourth Proportional to 14,460.24, 21,707.60 and 8,619.60

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Solution

The fourth proportional to 14,460.24, 21,707.60 and 8,619.60 is: 12,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.24 : 21,707.60 = 8,619.60 : x
  2. Step 2: Convert to fraction form
    14,460.24/21,707.60 = 8,619.60/x
  3. Step 3: Cross multiply
    14,460.24x = 21,707.60 × 8,619.60
  4. Step 4: Simplify right side
    14,460.24x = 187,110,828.96
  5. Step 5: Solve for x
    x = 187,110,828.96/14,460.24
  6. Step 6: Final answer
    x = 12,939.68

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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.