Home / 13,106.48-18,082.85-7,440.93

Finding the Fourth Proportional to 13,106.48, 18,082.85 and 7,440.93

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Solution

The fourth proportional to 13,106.48, 18,082.85 and 7,440.93 is: 10,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.48 : 18,082.85 = 7,440.93 : x
  2. Step 2: Convert to fraction form
    13,106.48/18,082.85 = 7,440.93/x
  3. Step 3: Cross multiply
    13,106.48x = 18,082.85 × 7,440.93
  4. Step 4: Simplify right side
    13,106.48x = 134,553,183.85
  5. Step 5: Solve for x
    x = 134,553,183.85/13,106.48
  6. Step 6: Final answer
    x = 10,266.16

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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.