Home / 9,000.56-12,420.46-5,021.58

Finding the Fourth Proportional to 9,000.56, 12,420.46 and 5,021.58

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Solution

The fourth proportional to 9,000.56, 12,420.46 and 5,021.58 is: 6,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.56 : 12,420.46 = 5,021.58 : x
  2. Step 2: Convert to fraction form
    9,000.56/12,420.46 = 5,021.58/x
  3. Step 3: Cross multiply
    9,000.56x = 12,420.46 × 5,021.58
  4. Step 4: Simplify right side
    9,000.56x = 62,370,333.53
  5. Step 5: Solve for x
    x = 62,370,333.53/9,000.56
  6. Step 6: Final answer
    x = 6,929.61

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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.