Home / 10,640.56-15,929.60-7,466.96

Finding the Fourth Proportional to 10,640.56, 15,929.60 and 7,466.96

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Solution

The fourth proportional to 10,640.56, 15,929.60 and 7,466.96 is: 11,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.56 : 15,929.60 = 7,466.96 : x
  2. Step 2: Convert to fraction form
    10,640.56/15,929.60 = 7,466.96/x
  3. Step 3: Cross multiply
    10,640.56x = 15,929.60 × 7,466.96
  4. Step 4: Simplify right side
    10,640.56x = 118,945,686.02
  5. Step 5: Solve for x
    x = 118,945,686.02/10,640.56
  6. Step 6: Final answer
    x = 11,178.52

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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.