Home / 12,558.40-17,330.48-6,892.98

Finding the Fourth Proportional to 12,558.40, 17,330.48 and 6,892.98

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Solution

The fourth proportional to 12,558.40, 17,330.48 and 6,892.98 is: 9,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.40 : 17,330.48 = 6,892.98 : x
  2. Step 2: Convert to fraction form
    12,558.40/17,330.48 = 6,892.98/x
  3. Step 3: Cross multiply
    12,558.40x = 17,330.48 × 6,892.98
  4. Step 4: Simplify right side
    12,558.40x = 119,458,652.03
  5. Step 5: Solve for x
    x = 119,458,652.03/12,558.40
  6. Step 6: Final answer
    x = 9,512.25

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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.