Home / 11,477.43-15,848.19-9,353.27

Finding the Fourth Proportional to 11,477.43, 15,848.19 and 9,353.27

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Solution

The fourth proportional to 11,477.43, 15,848.19 and 9,353.27 is: 12,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.43 : 15,848.19 = 9,353.27 : x
  2. Step 2: Convert to fraction form
    11,477.43/15,848.19 = 9,353.27/x
  3. Step 3: Cross multiply
    11,477.43x = 15,848.19 × 9,353.27
  4. Step 4: Simplify right side
    11,477.43x = 148,232,439.70
  5. Step 5: Solve for x
    x = 148,232,439.70/11,477.43
  6. Step 6: Final answer
    x = 12,915.12

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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.