Home / 13,294.60-18,347.60-7,327.36

Finding the Fourth Proportional to 13,294.60, 18,347.60 and 7,327.36

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Solution

The fourth proportional to 13,294.60, 18,347.60 and 7,327.36 is: 10,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.60 : 18,347.60 = 7,327.36 : x
  2. Step 2: Convert to fraction form
    13,294.60/18,347.60 = 7,327.36/x
  3. Step 3: Cross multiply
    13,294.60x = 18,347.60 × 7,327.36
  4. Step 4: Simplify right side
    13,294.60x = 134,439,470.34
  5. Step 5: Solve for x
    x = 134,439,470.34/13,294.60
  6. Step 6: Final answer
    x = 10,112.34

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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.