Home / 13,252.08-18,284.69-7,509.69

Finding the Fourth Proportional to 13,252.08, 18,284.69 and 7,509.69

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Solution

The fourth proportional to 13,252.08, 18,284.69 and 7,509.69 is: 10,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.08 : 18,284.69 = 7,509.69 : x
  2. Step 2: Convert to fraction form
    13,252.08/18,284.69 = 7,509.69/x
  3. Step 3: Cross multiply
    13,252.08x = 18,284.69 × 7,509.69
  4. Step 4: Simplify right side
    13,252.08x = 137,312,278.75
  5. Step 5: Solve for x
    x = 137,312,278.75/13,252.08
  6. Step 6: Final answer
    x = 10,361.56

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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.