Home / 11,364.12-15,681.44-6,328.60

Finding the Fourth Proportional to 11,364.12, 15,681.44 and 6,328.60

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Solution

The fourth proportional to 11,364.12, 15,681.44 and 6,328.60 is: 8,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.12 : 15,681.44 = 6,328.60 : x
  2. Step 2: Convert to fraction form
    11,364.12/15,681.44 = 6,328.60/x
  3. Step 3: Cross multiply
    11,364.12x = 15,681.44 × 6,328.60
  4. Step 4: Simplify right side
    11,364.12x = 99,241,561.18
  5. Step 5: Solve for x
    x = 99,241,561.18/11,364.12
  6. Step 6: Final answer
    x = 8,732.89

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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.