Home / 13,292.57-19,975.48-7,057.25

Finding the Fourth Proportional to 13,292.57, 19,975.48 and 7,057.25

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Solution

The fourth proportional to 13,292.57, 19,975.48 and 7,057.25 is: 10,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.57 : 19,975.48 = 7,057.25 : x
  2. Step 2: Convert to fraction form
    13,292.57/19,975.48 = 7,057.25/x
  3. Step 3: Cross multiply
    13,292.57x = 19,975.48 × 7,057.25
  4. Step 4: Simplify right side
    13,292.57x = 140,971,920.94
  5. Step 5: Solve for x
    x = 140,971,920.94/13,292.57
  6. Step 6: Final answer
    x = 10,605.32

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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.