Home / 9,930.06-14,898.60-5,551.20

Finding the Fourth Proportional to 9,930.06, 14,898.60 and 5,551.20

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Solution

The fourth proportional to 9,930.06, 14,898.60 and 5,551.20 is: 8,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.06 : 14,898.60 = 5,551.20 : x
  2. Step 2: Convert to fraction form
    9,930.06/14,898.60 = 5,551.20/x
  3. Step 3: Cross multiply
    9,930.06x = 14,898.60 × 5,551.20
  4. Step 4: Simplify right side
    9,930.06x = 82,705,108.32
  5. Step 5: Solve for x
    x = 82,705,108.32/9,930.06
  6. Step 6: Final answer
    x = 8,328.76

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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.