Home / 14,749.56-20,354.22-9,721.08

Finding the Fourth Proportional to 14,749.56, 20,354.22 and 9,721.08

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Solution

The fourth proportional to 14,749.56, 20,354.22 and 9,721.08 is: 13,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.56 : 20,354.22 = 9,721.08 : x
  2. Step 2: Convert to fraction form
    14,749.56/20,354.22 = 9,721.08/x
  3. Step 3: Cross multiply
    14,749.56x = 20,354.22 × 9,721.08
  4. Step 4: Simplify right side
    14,749.56x = 197,865,000.96
  5. Step 5: Solve for x
    x = 197,865,000.96/14,749.56
  6. Step 6: Final answer
    x = 13,414.98

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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.