Home / 13,352.40-18,425.48-7,383.68

Finding the Fourth Proportional to 13,352.40, 18,425.48 and 7,383.68

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Solution

The fourth proportional to 13,352.40, 18,425.48 and 7,383.68 is: 10,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.40 : 18,425.48 = 7,383.68 : x
  2. Step 2: Convert to fraction form
    13,352.40/18,425.48 = 7,383.68/x
  3. Step 3: Cross multiply
    13,352.40x = 18,425.48 × 7,383.68
  4. Step 4: Simplify right side
    13,352.40x = 136,047,848.17
  5. Step 5: Solve for x
    x = 136,047,848.17/13,352.40
  6. Step 6: Final answer
    x = 10,189.02

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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.