Home / 13,668.60-18,840.51-10,679.22

Finding the Fourth Proportional to 13,668.60, 18,840.51 and 10,679.22

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Solution

The fourth proportional to 13,668.60, 18,840.51 and 10,679.22 is: 14,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.60 : 18,840.51 = 10,679.22 : x
  2. Step 2: Convert to fraction form
    13,668.60/18,840.51 = 10,679.22/x
  3. Step 3: Cross multiply
    13,668.60x = 18,840.51 × 10,679.22
  4. Step 4: Simplify right side
    13,668.60x = 201,201,951.20
  5. Step 5: Solve for x
    x = 201,201,951.20/13,668.60
  6. Step 6: Final answer
    x = 14,720.01

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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.