Home / 9,359.34-12,915.89-5,167.59

Finding the Fourth Proportional to 9,359.34, 12,915.89 and 5,167.59

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Solution

The fourth proportional to 9,359.34, 12,915.89 and 5,167.59 is: 7,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.34 : 12,915.89 = 5,167.59 : x
  2. Step 2: Convert to fraction form
    9,359.34/12,915.89 = 5,167.59/x
  3. Step 3: Cross multiply
    9,359.34x = 12,915.89 × 5,167.59
  4. Step 4: Simplify right side
    9,359.34x = 66,744,024.01
  5. Step 5: Solve for x
    x = 66,744,024.01/9,359.34
  6. Step 6: Final answer
    x = 7,131.27

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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.