Home / 9,191.07-12,683.76-4,999.32

Finding the Fourth Proportional to 9,191.07, 12,683.76 and 4,999.32

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Solution

The fourth proportional to 9,191.07, 12,683.76 and 4,999.32 is: 6,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.07 : 12,683.76 = 4,999.32 : x
  2. Step 2: Convert to fraction form
    9,191.07/12,683.76 = 4,999.32/x
  3. Step 3: Cross multiply
    9,191.07x = 12,683.76 × 4,999.32
  4. Step 4: Simplify right side
    9,191.07x = 63,410,175.04
  5. Step 5: Solve for x
    x = 63,410,175.04/9,191.07
  6. Step 6: Final answer
    x = 6,899.11

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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.