Home / 9,115.29-13,673.23-2,875.36

Finding the Fourth Proportional to 9,115.29, 13,673.23 and 2,875.36

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Solution

The fourth proportional to 9,115.29, 13,673.23 and 2,875.36 is: 4,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.29 : 13,673.23 = 2,875.36 : x
  2. Step 2: Convert to fraction form
    9,115.29/13,673.23 = 2,875.36/x
  3. Step 3: Cross multiply
    9,115.29x = 13,673.23 × 2,875.36
  4. Step 4: Simplify right side
    9,115.29x = 39,315,458.61
  5. Step 5: Solve for x
    x = 39,315,458.61/9,115.29
  6. Step 6: Final answer
    x = 4,313.13

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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.