Home / 13,301.79-18,357.30-7,333.45

Finding the Fourth Proportional to 13,301.79, 18,357.30 and 7,333.45

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Solution

The fourth proportional to 13,301.79, 18,357.30 and 7,333.45 is: 10,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.79 : 18,357.30 = 7,333.45 : x
  2. Step 2: Convert to fraction form
    13,301.79/18,357.30 = 7,333.45/x
  3. Step 3: Cross multiply
    13,301.79x = 18,357.30 × 7,333.45
  4. Step 4: Simplify right side
    13,301.79x = 134,622,364.63
  5. Step 5: Solve for x
    x = 134,622,364.63/13,301.79
  6. Step 6: Final answer
    x = 10,120.62

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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.