Home / 15,427.60-23,141.40-7,651.60

Finding the Fourth Proportional to 15,427.60, 23,141.40 and 7,651.60

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Solution

The fourth proportional to 15,427.60, 23,141.40 and 7,651.60 is: 11,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.60 : 23,141.40 = 7,651.60 : x
  2. Step 2: Convert to fraction form
    15,427.60/23,141.40 = 7,651.60/x
  3. Step 3: Cross multiply
    15,427.60x = 23,141.40 × 7,651.60
  4. Step 4: Simplify right side
    15,427.60x = 177,068,736.24
  5. Step 5: Solve for x
    x = 177,068,736.24/15,427.60
  6. Step 6: Final answer
    x = 11,477.40

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Similar ratio
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1.5x scale

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.