Home / 13,364.65-18,440.67-7,396.03

Finding the Fourth Proportional to 13,364.65, 18,440.67 and 7,396.03

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Solution

The fourth proportional to 13,364.65, 18,440.67 and 7,396.03 is: 10,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.65 : 18,440.67 = 7,396.03 : x
  2. Step 2: Convert to fraction form
    13,364.65/18,440.67 = 7,396.03/x
  3. Step 3: Cross multiply
    13,364.65x = 18,440.67 × 7,396.03
  4. Step 4: Simplify right side
    13,364.65x = 136,387,748.54
  5. Step 5: Solve for x
    x = 136,387,748.54/13,364.65
  6. Step 6: Final answer
    x = 10,205.11

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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.