Home / 9,645.12-13,324.32-6,515.04

Finding the Fourth Proportional to 9,645.12, 13,324.32 and 6,515.04

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Solution

The fourth proportional to 9,645.12, 13,324.32 and 6,515.04 is: 9,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.12 : 13,324.32 = 6,515.04 : x
  2. Step 2: Convert to fraction form
    9,645.12/13,324.32 = 6,515.04/x
  3. Step 3: Cross multiply
    9,645.12x = 13,324.32 × 6,515.04
  4. Step 4: Simplify right side
    9,645.12x = 86,808,477.77
  5. Step 5: Solve for x
    x = 86,808,477.77/9,645.12
  6. Step 6: Final answer
    x = 9,000.25

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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.