Home / 11,827.56-16,316.40-7,798.60

Finding the Fourth Proportional to 11,827.56, 16,316.40 and 7,798.60

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Solution

The fourth proportional to 11,827.56, 16,316.40 and 7,798.60 is: 10,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.56 : 16,316.40 = 7,798.60 : x
  2. Step 2: Convert to fraction form
    11,827.56/16,316.40 = 7,798.60/x
  3. Step 3: Cross multiply
    11,827.56x = 16,316.40 × 7,798.60
  4. Step 4: Simplify right side
    11,827.56x = 127,245,077.04
  5. Step 5: Solve for x
    x = 127,245,077.04/11,827.56
  6. Step 6: Final answer
    x = 10,758.35

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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.