Home / 13,735.58-18,937.19-13,549.68

Finding the Fourth Proportional to 13,735.58, 18,937.19 and 13,549.68

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Solution

The fourth proportional to 13,735.58, 18,937.19 and 13,549.68 is: 18,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.58 : 18,937.19 = 13,549.68 : x
  2. Step 2: Convert to fraction form
    13,735.58/18,937.19 = 13,549.68/x
  3. Step 3: Cross multiply
    13,735.58x = 18,937.19 × 13,549.68
  4. Step 4: Simplify right side
    13,735.58x = 256,592,898.47
  5. Step 5: Solve for x
    x = 256,592,898.47/13,735.58
  6. Step 6: Final answer
    x = 18,680.90

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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.