Home / 10,630-15,947.28-3,235.06

Finding the Fourth Proportional to 10,630, 15,947.28 and 3,235.06

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Solution

The fourth proportional to 10,630, 15,947.28 and 3,235.06 is: 4,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630 : 15,947.28 = 3,235.06 : x
  2. Step 2: Convert to fraction form
    10,630/15,947.28 = 3,235.06/x
  3. Step 3: Cross multiply
    10,630x = 15,947.28 × 3,235.06
  4. Step 4: Simplify right side
    10,630x = 51,590,407.64
  5. Step 5: Solve for x
    x = 51,590,407.64/10,630
  6. Step 6: Final answer
    x = 4,853.28

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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.