Home / 14,748.48-20,352.24-8,460.72

Finding the Fourth Proportional to 14,748.48, 20,352.24 and 8,460.72

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Solution

The fourth proportional to 14,748.48, 20,352.24 and 8,460.72 is: 11,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.48 : 20,352.24 = 8,460.72 : x
  2. Step 2: Convert to fraction form
    14,748.48/20,352.24 = 8,460.72/x
  3. Step 3: Cross multiply
    14,748.48x = 20,352.24 × 8,460.72
  4. Step 4: Simplify right side
    14,748.48x = 172,194,604.01
  5. Step 5: Solve for x
    x = 172,194,604.01/14,748.48
  6. Step 6: Final answer
    x = 11,675.41

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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.