Home / 13,169.52-18,173.16-7,503.57

Finding the Fourth Proportional to 13,169.52, 18,173.16 and 7,503.57

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Solution

The fourth proportional to 13,169.52, 18,173.16 and 7,503.57 is: 10,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.52 : 18,173.16 = 7,503.57 : x
  2. Step 2: Convert to fraction form
    13,169.52/18,173.16 = 7,503.57/x
  3. Step 3: Cross multiply
    13,169.52x = 18,173.16 × 7,503.57
  4. Step 4: Simplify right side
    13,169.52x = 136,363,578.18
  5. Step 5: Solve for x
    x = 136,363,578.18/13,169.52
  6. Step 6: Final answer
    x = 10,354.48

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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.