Home / 9,374.86-12,915.34-6,537.07

Finding the Fourth Proportional to 9,374.86, 12,915.34 and 6,537.07

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Solution

The fourth proportional to 9,374.86, 12,915.34 and 6,537.07 is: 9,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.86 : 12,915.34 = 6,537.07 : x
  2. Step 2: Convert to fraction form
    9,374.86/12,915.34 = 6,537.07/x
  3. Step 3: Cross multiply
    9,374.86x = 12,915.34 × 6,537.07
  4. Step 4: Simplify right side
    9,374.86x = 84,428,481.65
  5. Step 5: Solve for x
    x = 84,428,481.65/9,374.86
  6. Step 6: Final answer
    x = 9,005.84

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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.