Home / 9,988.56-13,779.86-6,007.41

Finding the Fourth Proportional to 9,988.56, 13,779.86 and 6,007.41

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Solution

The fourth proportional to 9,988.56, 13,779.86 and 6,007.41 is: 8,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.56 : 13,779.86 = 6,007.41 : x
  2. Step 2: Convert to fraction form
    9,988.56/13,779.86 = 6,007.41/x
  3. Step 3: Cross multiply
    9,988.56x = 13,779.86 × 6,007.41
  4. Step 4: Simplify right side
    9,988.56x = 82,781,238.73
  5. Step 5: Solve for x
    x = 82,781,238.73/9,988.56
  6. Step 6: Final answer
    x = 8,287.60

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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.