Home / 11,098.42-15,317.51-6,382.40

Finding the Fourth Proportional to 11,098.42, 15,317.51 and 6,382.40

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Solution

The fourth proportional to 11,098.42, 15,317.51 and 6,382.40 is: 8,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.42 : 15,317.51 = 6,382.40 : x
  2. Step 2: Convert to fraction form
    11,098.42/15,317.51 = 6,382.40/x
  3. Step 3: Cross multiply
    11,098.42x = 15,317.51 × 6,382.40
  4. Step 4: Simplify right side
    11,098.42x = 97,762,367.32
  5. Step 5: Solve for x
    x = 97,762,367.32/11,098.42
  6. Step 6: Final answer
    x = 8,808.68

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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.