Home / 10,842.70-16,273.31-7,730.32

Finding the Fourth Proportional to 10,842.70, 16,273.31 and 7,730.32

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Solution

The fourth proportional to 10,842.70, 16,273.31 and 7,730.32 is: 11,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.70 : 16,273.31 = 7,730.32 : x
  2. Step 2: Convert to fraction form
    10,842.70/16,273.31 = 7,730.32/x
  3. Step 3: Cross multiply
    10,842.70x = 16,273.31 × 7,730.32
  4. Step 4: Simplify right side
    10,842.70x = 125,797,893.76
  5. Step 5: Solve for x
    x = 125,797,893.76/10,842.70
  6. Step 6: Final answer
    x = 11,602.08

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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.