Home / 9,312.75-13,969.94-2,387.25

Finding the Fourth Proportional to 9,312.75, 13,969.94 and 2,387.25

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Solution

The fourth proportional to 9,312.75, 13,969.94 and 2,387.25 is: 3,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.75 : 13,969.94 = 2,387.25 : x
  2. Step 2: Convert to fraction form
    9,312.75/13,969.94 = 2,387.25/x
  3. Step 3: Cross multiply
    9,312.75x = 13,969.94 × 2,387.25
  4. Step 4: Simplify right side
    9,312.75x = 33,349,727.33
  5. Step 5: Solve for x
    x = 33,349,727.33/9,312.75
  6. Step 6: Final answer
    x = 3,581.08

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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.