Home / 15,292.79-22,942.47-4,762.58

Finding the Fourth Proportional to 15,292.79, 22,942.47 and 4,762.58

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Solution

The fourth proportional to 15,292.79, 22,942.47 and 4,762.58 is: 7,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.79 : 22,942.47 = 4,762.58 : x
  2. Step 2: Convert to fraction form
    15,292.79/22,942.47 = 4,762.58/x
  3. Step 3: Cross multiply
    15,292.79x = 22,942.47 × 4,762.58
  4. Step 4: Simplify right side
    15,292.79x = 109,265,234.06
  5. Step 5: Solve for x
    x = 109,265,234.06/15,292.79
  6. Step 6: Final answer
    x = 7,144.89

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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.