Home / 11,560.56-17,346.60-4,988.40

Finding the Fourth Proportional to 11,560.56, 17,346.60 and 4,988.40

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Solution

The fourth proportional to 11,560.56, 17,346.60 and 4,988.40 is: 7,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,560.56 : 17,346.60 = 4,988.40 : x
  2. Step 2: Convert to fraction form
    11,560.56/17,346.60 = 4,988.40/x
  3. Step 3: Cross multiply
    11,560.56x = 17,346.60 × 4,988.40
  4. Step 4: Simplify right side
    11,560.56x = 86,531,779.44
  5. Step 5: Solve for x
    x = 86,531,779.44/11,560.56
  6. Step 6: Final answer
    x = 7,485.09

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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.