Home / 12,242.36-18,307.50-9,124.54

Finding the Fourth Proportional to 12,242.36, 18,307.50 and 9,124.54

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Solution

The fourth proportional to 12,242.36, 18,307.50 and 9,124.54 is: 13,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.36 : 18,307.50 = 9,124.54 : x
  2. Step 2: Convert to fraction form
    12,242.36/18,307.50 = 9,124.54/x
  3. Step 3: Cross multiply
    12,242.36x = 18,307.50 × 9,124.54
  4. Step 4: Simplify right side
    12,242.36x = 167,047,516.05
  5. Step 5: Solve for x
    x = 167,047,516.05/12,242.36
  6. Step 6: Final answer
    x = 13,645.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.