Home / 9,010.94-13,515.56-6,389.68

Finding the Fourth Proportional to 9,010.94, 13,515.56 and 6,389.68

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Solution

The fourth proportional to 9,010.94, 13,515.56 and 6,389.68 is: 9,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.94 : 13,515.56 = 6,389.68 : x
  2. Step 2: Convert to fraction form
    9,010.94/13,515.56 = 6,389.68/x
  3. Step 3: Cross multiply
    9,010.94x = 13,515.56 × 6,389.68
  4. Step 4: Simplify right side
    9,010.94x = 86,360,103.42
  5. Step 5: Solve for x
    x = 86,360,103.42/9,010.94
  6. Step 6: Final answer
    x = 9,583.92

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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.