Home / 22,725.86-34,090.13-7,143.48

Finding the Fourth Proportional to 22,725.86, 34,090.13 and 7,143.48

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Solution

The fourth proportional to 22,725.86, 34,090.13 and 7,143.48 is: 10,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.86 : 34,090.13 = 7,143.48 : x
  2. Step 2: Convert to fraction form
    22,725.86/34,090.13 = 7,143.48/x
  3. Step 3: Cross multiply
    22,725.86x = 34,090.13 × 7,143.48
  4. Step 4: Simplify right side
    22,725.86x = 243,522,179.71
  5. Step 5: Solve for x
    x = 243,522,179.71/22,725.86
  6. Step 6: Final answer
    x = 10,715.64

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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.