Home / 13,362.92-18,440.55-7,394.59

Finding the Fourth Proportional to 13,362.92, 18,440.55 and 7,394.59

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Solution

The fourth proportional to 13,362.92, 18,440.55 and 7,394.59 is: 10,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.92 : 18,440.55 = 7,394.59 : x
  2. Step 2: Convert to fraction form
    13,362.92/18,440.55 = 7,394.59/x
  3. Step 3: Cross multiply
    13,362.92x = 18,440.55 × 7,394.59
  4. Step 4: Simplify right side
    13,362.92x = 136,360,242.15
  5. Step 5: Solve for x
    x = 136,360,242.15/13,362.92
  6. Step 6: Final answer
    x = 10,204.37

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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.