Home / 9,921.10-14,885.52-4,370.54

Finding the Fourth Proportional to 9,921.10, 14,885.52 and 4,370.54

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Solution

The fourth proportional to 9,921.10, 14,885.52 and 4,370.54 is: 6,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.10 : 14,885.52 = 4,370.54 : x
  2. Step 2: Convert to fraction form
    9,921.10/14,885.52 = 4,370.54/x
  3. Step 3: Cross multiply
    9,921.10x = 14,885.52 × 4,370.54
  4. Step 4: Simplify right side
    9,921.10x = 65,057,760.58
  5. Step 5: Solve for x
    x = 65,057,760.58/9,921.10
  6. Step 6: Final answer
    x = 6,557.51

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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.