Home / 10,639.56-15,958.98-2,848.32

Finding the Fourth Proportional to 10,639.56, 15,958.98 and 2,848.32

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Solution

The fourth proportional to 10,639.56, 15,958.98 and 2,848.32 is: 4,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.56 : 15,958.98 = 2,848.32 : x
  2. Step 2: Convert to fraction form
    10,639.56/15,958.98 = 2,848.32/x
  3. Step 3: Cross multiply
    10,639.56x = 15,958.98 × 2,848.32
  4. Step 4: Simplify right side
    10,639.56x = 45,456,281.91
  5. Step 5: Solve for x
    x = 45,456,281.91/10,639.56
  6. Step 6: Final answer
    x = 4,272.38

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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.