Home / 13,498.20-18,627.55-7,530.26

Finding the Fourth Proportional to 13,498.20, 18,627.55 and 7,530.26

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Solution

The fourth proportional to 13,498.20, 18,627.55 and 7,530.26 is: 10,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.20 : 18,627.55 = 7,530.26 : x
  2. Step 2: Convert to fraction form
    13,498.20/18,627.55 = 7,530.26/x
  3. Step 3: Cross multiply
    13,498.20x = 18,627.55 × 7,530.26
  4. Step 4: Simplify right side
    13,498.20x = 140,270,182.70
  5. Step 5: Solve for x
    x = 140,270,182.70/13,498.20
  6. Step 6: Final answer
    x = 10,391.77

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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.