Home / 12,824.42-17,705.05-9,775.60

Finding the Fourth Proportional to 12,824.42, 17,705.05 and 9,775.60

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Solution

The fourth proportional to 12,824.42, 17,705.05 and 9,775.60 is: 13,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.42 : 17,705.05 = 9,775.60 : x
  2. Step 2: Convert to fraction form
    12,824.42/17,705.05 = 9,775.60/x
  3. Step 3: Cross multiply
    12,824.42x = 17,705.05 × 9,775.60
  4. Step 4: Simplify right side
    12,824.42x = 173,077,572.66
  5. Step 5: Solve for x
    x = 173,077,572.66/12,824.42
  6. Step 6: Final answer
    x = 13,495.94

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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.